diff --git a/gulpfile.js b/gulpfile.js
index c85a99924a..f57c423ebd 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -88,9 +88,20 @@ gulp.task('ng2-rename', function(done) {
 });
 gulp.task('ng2', ['ng2-rename'], function() {
   var builder = new SystemJsBuilder();
-  return builder.loadConfig('jspm-config.js')
-  .then(function() {
-    return builder.build('dist/lib/angular2/angular2', 'dist/lib/angular2.js');
+  builder.config({
+    traceurOptions: {
+      'sourceMaps': true,
+      'annotations': true,
+      'types': true,
+      'script': false,
+      'memberVariables': true,
+      'modules': 'instantiate'
+    },
+    baseURL: 'dist/lib',
+    map: {
+      rx: __dirname + '/node_modules/rx'
+    }
   });
+  return builder.build('angular2/angular2', 'dist/lib/angular2.js');
 });
 
diff --git a/jspm-config.js b/jspm-config.js
index 60646a01ac..783ad7cc5d 100644
--- a/jspm-config.js
+++ b/jspm-config.js
@@ -1,26 +1,23 @@
 System.config({
-  "paths": {
-    "*": "*.js",
-    "dist/*": "/dist",
-    "node_modules/*": "/node_modules/*",
+  'paths': {
+    '*': '*.js',
+    'angular2/*': '/dist/lib/angular2/*.js'
   },
-  "traceurOptions": {
-    "sourceMaps": true,
-    "annotations": true,
-    "types": true,
-    "script": false,
-    "memberVariables": true,
-    "modules": "instantiate"
+  'traceurOptions': {
+    'sourceMaps': true,
+    'annotations': true,
+    'types': true,
+    'script': false,
+    'memberVariables': true,
+    'modules': 'instantiate'
   }
 });
 
 System.config({
-  "map": {
-    "angular2": "dist/lib/angular2",
-    "hammer": "node_modules/hammerjs/hammer.js",
-    "rtts_assert": "dist/lib/rtts_assert",
-    "rx": "node_modules/rx",
-    "ionic2": "/src",
+  'map': {
+    'hammer': '/node_modules/hammerjs/hammer',
+    'rx': '/node_modules/rx',
+    'ionic2': '/src',
   }
 });
 
diff --git a/src/components/app/examples/figure-it-out/main.js b/src/components/app/examples/figure-it-out/main.js
index 0008609175..aad981c5e9 100644
--- a/src/components/app/examples/figure-it-out/main.js
+++ b/src/components/app/examples/figure-it-out/main.js
@@ -4,12 +4,6 @@ import {PrivateComponentLoader} from 'angular2/src/core/compiler/private_compone
 import {PrivateComponentLocation} from 'angular2/src/core/compiler/private_component_location';
 import {RedBgStyler, BlueTextStyler} from './components/stylers';
 
-class Testy {
-  constructor(@Inject() element: NgElement) {
-    element.domElement.style.border = '3px solid pink;'
-  }
-}
-
 @DynamicComponent({
   selector: 'dynamic-component',
   services: [PrivateComponentLoader, PrivateComponentLocation]
@@ -20,12 +14,8 @@ class MyDynamic {
     loader:PrivateComponentLoader, 
     location:PrivateComponentLocation
   ) {
-    // loader.load(RedBgStyler, location);
-    // loader.load(BlueTextStyler, location);
-    Testy.annotations = [
-      new Component({ selector: 'testy' }),
-      new Template({ inline: 'testy-template' })
-    ];
+    loader.load(RedBgStyler, location);
+    loader.load(BlueTextStyler, location);
   }
 }
 
diff --git a/src/components/aside/aside.js b/src/components/aside/aside.js
index 9a8eac233f..fd636517f4 100644
--- a/src/components/aside/aside.js
+++ b/src/components/aside/aside.js
@@ -1,10 +1,10 @@
 import {Component, Template, Inject, Parent, NgElement} from 'angular2/angular2';
 import {Ion} from '../ion';
-import {IonConfig} from '../../config';
+import {Config} from '../../core/config/config';
 import {SlideEdgeGesture} from '../../core/gestures/slide-edge-gesture';
 import * as util from '../../util';
 
-export var asideConfig = new IonConfig('aside');
+export var asideConfig = new Config('aside');
 
 // TODO defaults or bindings?
 asideConfig.set({
@@ -12,6 +12,13 @@ asideConfig.set({
   dragThreshold: 50
 })
 
+
+class AndroidAside {}
+class IosAside {}
+
+asideConfig.platform('android').component(AndroidAside);
+asideConfig.platform('ios').component(IosAside);
+
 // AsideParent is just a temporary directive
 @Component({
   selector: 'ion-aside-parent'
@@ -49,7 +56,9 @@ export class Aside {
 
     // TODO: remove this. setTimeout has to be done so the bindings can be applied
     setTimeout(() => {
-      // asideConfig.invoke(this);
+      let Comp = asideConfig.invoke(this);
+      console.log('using', Comp);
+
       let GestureConstructor = {
         left: LeftAsideSlideGesture,
         top: TopAsideSlideGesture,
diff --git a/src/components/ion.js b/src/components/ion.js
index b6b9406eac..1b93e9655e 100644
--- a/src/components/ion.js
+++ b/src/components/ion.js
@@ -1,4 +1,3 @@
-import * as Platform from '../platform';
 import * as util from '../util';
 
 export class Ion {}
diff --git a/src/config.js b/src/config.js
deleted file mode 100644
index c27bb46b27..0000000000
--- a/src/config.js
+++ /dev/null
@@ -1,180 +0,0 @@
-import * as Platform from './platform';
-import * as util from './util';
-
-// TODO stop hardcoding platforms and media sizes
-
-/*
- config
-   .set({ side: 'left' })
-   .set('threshold', 50)
-   .platform('ios')
-     .set('side', 'top')
-     .unset('threshold')
-     .media('lg')
-       .set('side', 'right')
-
-config.platform('ios')
-  .behavior(function() {
-    do something
-  })
-  .defaults({
-    side: 'right'
-  })
-  
-config.platform('ios').media('tablet')
-  .defaults({
-    side: 'bottom'
-  });
-*/
-
-
-/*
- User wants to remove the default behavior for sidemenu, but that's stuck under `.platform('ios').`
-
-config.platform('ios').media('tablet') === config.media('tablet').platform('ios')
-*/
-var QUERIES = {
-  sm: true,
-  md: true,
-  lg: true
-};
-var PLATFORMS = {
-  ios: true,
-  android: true
-};
-
-function isPlatform(key = '') {
-  return key.toLowerCase() in PLATFORMS;
-}
-function isMedia(key = '') {
-  return key.toLowerCase() in QUERIES;
-}
-class ConfigCase {
-  constructor({ root, parent, path }) {
-    this._root = root;
-    this._parent = parent;
-    this._path = path || [];
-    this._values = {};
-    this.behaviors = [];
-  }
-  platform(key = '') {
-    if (isPlatform(key)) return this._root._addCase(key, this);
-    return this;
-  }
-  media(key = '') {
-    if (isMedia(key)) return this._root._addCase(key, this);
-    return this;
-  }
-  when(condition = '') {
-    if (isPlatform(condition) || isMedia(condition)) {
-      return this._root._addCase(condition, this);
-    }
-    return this;
-  }
-  behavior(fn) {
-    this.behaviors.push(fn);
-    return this;
-  }
-  set(a, b) {
-    if (util.isString(a)) {
-      this._values[a] = b;
-    } else {
-      util.extend(this._values, a || {});
-    }
-    return this;
-  }
-  unset(key) {
-    delete this._values[key];
-    return this;
-  }
-  get(key) {
-    return util.isDefined(this._values[key]) ? 
-      this._values[key] :
-      (this._parent ? this._parent.get(key) : undefined);
-  }
-}
-
-export class IonConfig extends ConfigCase {
-  constructor() {
-    this._root = this;
-    this._cases = {};
-    super({
-      root: this, 
-      parent: null, 
-      path: '' 
-    });
-  }
-  invoke(instance) {
-    return invokeConfig(this, instance);
-  }
-  _addCase(key, baseCase) {
-    var path = baseCase._path.slice();
-    path.push(key);
-
-    // Remove empties & duplicates
-    path = path
-      .filter((value, index) => {
-        return value && path.indexOf(value) === index;
-      })
-      .sort();
-
-    if (path.join(' ') === baseCase._path.join(' ')) {
-      return baseCase;
-    }
-    return this._createCase(path);
-  }
-  _createCase(path) {
-    if (!path.length) return this;
-    var pathStr = path.join(' ');
-    var configCase = this._cases[pathStr];
-    if (!configCase) {
-      var parentPath = path.slice(0, path.length - 1);
-      configCase = this._cases[pathStr] = new ConfigCase({
-        root: this, 
-        parent: this._createCase(parentPath), 
-        path: path
-      });
-    }
-    return configCase;
-  }
-}
-
-export function invokeConfig(config, object, opts = {}) {
-  util.defaults(opts, { media: 'lg', platform: 'ios' });
-  var { platform, media } = opts;
-
-  var passedCases = [config].concat(
-    Object.keys(config._cases)
-      .map(name => config._cases[name])
-      .filter(configCasePasses)
-      .sort(function(a,b) {
-        return a._path.length < b._path.length ? -1 : 1;
-      })
-  );
-
-  // Extend the given object with the values of all the passed cases, starting with the
-  // most specific.
-  var defaults = [object];
-  var behaviors = [];
-  for (let i = 0, ii = passedCases.length; i < ii; i++) {
-    defaults.push(passedCases[i]._values);
-    // Avoid allocating a new array for each passed case's array of behaviors
-    behaviors.push.apply(behaviors, passedCases[i].behaviors);
-  }
-
-  util.defaults.apply(null, defaults);
-
-  for (let i = 0, ii = behaviors.length; i < ii; i++) {
-    behaviors[i].call(object, object);
-  }
-
-  function configCasePasses(configCase) {
-    var path = configCase._path;
-    var key;
-    for (let i = 0, ii = path.length; i < ii; i++) {
-      if (!(media === path[i] || platform === path[i])) return false;
-    }
-    return true;
-  }
-
-}
diff --git a/src/config_spec.js b/src/config_spec.js
deleted file mode 100644
index 59c6f000c6..0000000000
--- a/src/config_spec.js
+++ /dev/null
@@ -1,138 +0,0 @@
-import {IonConfig} from './config';
-
-// TODO stop hardcoding platforms and media sizes
-export function main() {
-  var rootConfig;
-  beforeEach(() => {
-    rootConfig = new IonConfig();
-  });
-
-  it('should create a config one level down', () => {
-    var sub = rootConfig.platform('ios');
-    expect(sub._parent).toBe(rootConfig);
-    expect(sub._path).toEqual(['ios']);
-    expect(rootConfig._cases.ios).toBe(sub);
-  });
-
-  it('should create a config two levels down', () => {
-    var sub1 = rootConfig.platform('ios');
-    var sub2 = sub1.media('lg');
-    expect(sub2._parent).toBe(sub1);
-    expect(sub1._parent).toBe(rootConfig);
-    expect(rootConfig._cases['ios lg']).toBe(sub2);
-    expect(rootConfig._cases.ios).toBe(sub1);
-  });
-
-  it('set should be chainable', () => {
-    expect(rootConfig.set()).toBe(rootConfig);
-  });
-
-  it('should set values on the root', () => {
-    rootConfig.set({
-      letter: 'a'
-    });
-    expect(rootConfig.get('letter')).toBe('a');
-  });
-
-  it('should always return the same object for the same key', () => {
-    expect(rootConfig.platform('android')).toBe(rootConfig.platform('android'));
-    expect(rootConfig.platform('ios')).toBe(rootConfig.platform('ios'));
-    expect(rootConfig.media('lg')).toBe(rootConfig.media('lg'));
-  });
-
-  it('should return the same object when nesting in different order', () => {
-    var sub1 = rootConfig.platform('ios').media('sm');
-    var sub2 = rootConfig.media('sm').platform('ios');
-    expect(sub1).toBe(sub2);
-  });
-
-  it('should return the same object when nesting in different order for huge queries', () => {
-    var sub1 = rootConfig.platform('ios').media('sm').platform('android').media('lg');
-    var sub2 = rootConfig.media('sm').media('lg').platform('android').platform('ios');
-    expect(sub1).toBe(sub2);
-  });
-
-  it('should set values one level down and be chainable', () => {
-    rootConfig.set({ letter: 'a' });
-    var sub1 = rootConfig.platform('ios');
-    expect(sub1.get('letter')).toBe('a');
-    expect( sub1.set({ letter: 'b' }) ).toBe(sub1);
-    expect(sub1.get('letter')).toBe('b');
-  });
-
-  it('should set values two levels down and be chainable', () => {
-    rootConfig.set({ letter: 'a' });
-    var sub1 = rootConfig.platform('ios');
-    sub1.set({ letter: 'b' });
-    var sub2 = sub1.media('lg');
-    expect(sub2.get('letter')).toBe('b');
-    expect( sub2.set({ letter: 'c' }) ).toBe(sub2);
-    expect(sub2.get('letter')).toBe('c');
-  });
-
-  it('should use parent\'s value if its later set to undefined', () => {
-    rootConfig.set({ letter: 'a' });
-    var sub1 = rootConfig.platform('ios');
-    sub1.set({ letter: 'b' });
-    expect(sub1.get('letter')).toBe('b');
-    expect( sub1.unset('letter') ).toBe(sub1);
-    expect(sub1.get('letter')).toBe('a');
-  });
-
-  it('when() as alias for media()', () => {
-    expect(rootConfig.when('lg')).toBe(rootConfig.media('lg'));
-    expect(rootConfig.when('bad')).toBe(rootConfig);
-    expect(rootConfig.when('lg')).not.toBe(rootConfig.when('ios'));
-  });
-
-  it('when() as alias for platform()', () => {
-    expect(rootConfig.platform('ios')).toBe(rootConfig.when('ios'));
-    expect(rootConfig.when('bad')).toBe(rootConfig);
-  });
-
-  describe('invokeConfig', function() {
-
-    it('should invoke defaults', () => {
-      var obj = {};
-      rootConfig.set('foo', 'bar');
-      rootConfig.invoke(obj);
-    });
-
-    it('should invoke defaults in nested whens', () => {
-      var obj = {};
-      rootConfig.set({ a: 'root', b: 'root' });
-      rootConfig.when('ios').set({b: 'ios', c: 'ios'});
-      rootConfig.when('ios').when('lg').set({ c: 'ios-lg', d: 'ios-lg' });
-
-      rootConfig.invoke(obj);
-      expect(obj).toEqual({
-        a: 'root', 
-        b: 'ios',
-        c: 'ios-lg',
-        d: 'ios-lg'
-      });
-    });
-
-    it('should run behaviors', () => {
-      var obj = {};
-      rootConfig.behavior(instance => {
-        instance.foo = 'bar';
-      });
-      rootConfig.invoke(obj);
-      expect(obj.foo).toBe('bar');
-    });
-
-    it('should invoke behaviors in nested whens', () => {
-      var obj = {};
-      rootConfig.when('ios')
-        .behavior(o => o.ios = true)
-        .when('lg')
-          .behavior(o => o.lg = true)
-      rootConfig.invoke(obj);
-      expect(obj).toEqual({
-        ios: true,
-        lg: true
-      });
-    });
-  });
-}
diff --git a/src/core/config/config-case.js b/src/core/config/config-case.js
new file mode 100644
index 0000000000..6abea2281a
--- /dev/null
+++ b/src/core/config/config-case.js
@@ -0,0 +1,47 @@
+import * as util from '../../util';
+import {platform} from '../platform/platform';
+
+function isPlatform(key = '') {
+  return platform.isRegistered(key.toLowerCase());
+}
+
+export class ConfigCase {
+  constructor({ root, parent, path }) {
+    this._root = root;
+    this._parent = parent;
+    this._path = path || [];
+    this._values = {};
+    this._component = null;
+  }
+  platform(key = '') {
+    if (isPlatform(key)) return this._root._addCase(key, this);
+    return this;
+  }
+  // media(key = '') {
+  //   if (isMedia(key)) return this._root._addCase(key, this);
+  //   return this;
+  // }
+  when(condition = '') {
+    if (isPlatform(condition)) {
+      return this._root._addCase(condition, this);
+    }
+    return this;
+  }
+  component(Class) {
+    this._component = Class;
+    return this;
+  }
+  set(obj) {
+    util.extend(this._values, obj);
+    return this;
+  }
+  unset(key) {
+    delete this._values[key];
+    return this;
+  }
+  get(key) {
+    return util.isDefined(this._values[key]) ? 
+      this._values[key] :
+      (this._parent ? this._parent.get(key) : undefined);
+  }
+}
diff --git a/src/core/config/config.js b/src/core/config/config.js
index 2ab6e3c235..cab014d331 100644
--- a/src/core/config/config.js
+++ b/src/core/config/config.js
@@ -1,100 +1,29 @@
-import getPlatform from '../platform/platform';
+import {platform} from '../platform/platform';
+import {ConfigCase} from './config-case';
 import * as util from '../../util';
 
 // TODO stop hardcoding platforms and media sizes
 
 /*
- config
-   .set({ side: 'left' })
-   .set('threshold', 50)
-   .platform('ios')
-     .set('side', 'top')
-     .unset('threshold')
-     .media('lg')
-       .set('side', 'right')
+@ConfigPlatform({
+  for: AsideBase
+  platform: 'android', 
+  defaults: {
+    type: 'reveal'
+  }
+})
+class AndroidAside extends AsideBase {}
 
-config.platform('ios')
-  .behavior(function() {
-    do something
-  })
-  .defaults({
-    side: 'right'
-  })
-  
-config.platform('ios').media('tablet')
-  .defaults({
-    side: 'bottom'
-  });
+```@ConfigCase({
+  for: AsideBase,
+  condition: instance => instance.type === 'reveal'
+})
+class AsideReveal {
+  constructor(aside: AsideBase) {}
+}
 */
 
-
-/*
- User wants to remove the default behavior for sidemenu, but that's stuck under `.platform('ios').`
-
-config.platform('ios').media('tablet') === config.media('tablet').platform('ios')
-*/
-var QUERIES = {
-  sm: true,
-  md: true,
-  lg: true
-};
-var PLATFORMS = {
-  ios: true,
-  android: true
-};
-
-function isPlatform(key = '') {
-  return key.toLowerCase() in PLATFORMS;
-}
-function isMedia(key = '') {
-  return key.toLowerCase() in QUERIES;
-}
-class ConfigCase {
-  constructor({ root, parent, path }) {
-    this._root = root;
-    this._parent = parent;
-    this._path = path || [];
-    this._values = {};
-    this.behaviors = [];
-  }
-  platform(key = '') {
-    if (isPlatform(key)) return this._root._addCase(key, this);
-    return this;
-  }
-  media(key = '') {
-    if (isMedia(key)) return this._root._addCase(key, this);
-    return this;
-  }
-  when(condition = '') {
-    if (isPlatform(condition) || isMedia(condition)) {
-      return this._root._addCase(condition, this);
-    }
-    return this;
-  }
-  behavior(fn) {
-    this.behaviors.push(fn);
-    return this;
-  }
-  set(a, b) {
-    if (util.isString(a)) {
-      this._values[a] = b;
-    } else {
-      util.extend(this._values, a || {});
-    }
-    return this;
-  }
-  unset(key) {
-    delete this._values[key];
-    return this;
-  }
-  get(key) {
-    return util.isDefined(this._values[key]) ? 
-      this._values[key] :
-      (this._parent ? this._parent.get(key) : undefined);
-  }
-}
-
-export class IonConfig extends ConfigCase {
+export class Config extends ConfigCase {
   constructor() {
     this._root = this;
     this._cases = {};
@@ -108,7 +37,7 @@ export class IonConfig extends ConfigCase {
     return invokeConfig(this, instance);
   }
   _addCase(key, baseCase) {
-    var path = baseCase._path.slice();
+    let path = baseCase._path.slice();
     path.push(key);
 
     // Remove empties & duplicates
@@ -125,10 +54,10 @@ export class IonConfig extends ConfigCase {
   }
   _createCase(path) {
     if (!path.length) return this;
-    var pathStr = path.join(' ');
-    var configCase = this._cases[pathStr];
+    let pathStr = path.join(' ');
+    let configCase = this._cases[pathStr];
     if (!configCase) {
-      var parentPath = path.slice(0, path.length - 1);
+      let parentPath = path.slice(0, path.length - 1);
       configCase = this._cases[pathStr] = new ConfigCase({
         root: this, 
         parent: this._createCase(parentPath), 
@@ -139,11 +68,10 @@ export class IonConfig extends ConfigCase {
   }
 }
 
-export function invokeConfig(config, object, opts = {}) {
-  util.defaults(opts, { media: 'lg', platform: 'ios' });
-  var { platform, media } = opts;
+export function invokeConfig(config, object) {
+  let platformName = platform.get().name;
 
-  var passedCases = [config].concat(
+  let passedCases = [config].concat(
     Object.keys(config._cases)
       .map(name => config._cases[name])
       .filter(configCasePasses)
@@ -154,25 +82,25 @@ export function invokeConfig(config, object, opts = {}) {
 
   // Extend the given object with the values of all the passed cases, starting with the
   // most specific.
-  var defaults = [object];
-  var behaviors = [];
+  let defaults = [object];
+  // Also find the most specific case with a component that we should use.
+  let ComponentToUse;
   for (let i = 0, ii = passedCases.length; i < ii; i++) {
     defaults.push(passedCases[i]._values);
-    // Avoid allocating a new array for each passed case's array of behaviors
-    behaviors.push.apply(behaviors, passedCases[i].behaviors);
+    if (passedCases[i]._component) {
+      ComponentToUse = passedCases[i]._component;
+    }
   }
 
   util.defaults.apply(null, defaults);
 
-  for (let i = 0, ii = behaviors.length; i < ii; i++) {
-    behaviors[i].call(object, object);
-  }
+  return ComponentToUse;
 
   function configCasePasses(configCase) {
-    var path = configCase._path;
-    var key;
+    let path = configCase._path;
+    let key;
     for (let i = 0, ii = path.length; i < ii; i++) {
-      if (!(media === path[i] || platform === path[i])) return false;
+      if (platformName !== path[i]) return false;
     }
     return true;
   }
diff --git a/src/core/platform/platform.js b/src/core/platform/platform.js
index 02cfb4751a..3eec9f63e3 100644
--- a/src/core/platform/platform.js
+++ b/src/core/platform/platform.js
@@ -1,19 +1,13 @@
-var platforms = [];
-
-// TODO(ajoslin): move this to a facade somewhere else?
-var ua = window.navigator.userAgent;
+import * as util from '../../util';
 
 class Platform {
-  constructor({
-    name,
-    matcher
-  }) {
-    this.name = name;
-    this.matcher = matcher;
+  constructor(options) {
+    util.extend(this, options);
   }
 }
 
 class PlatformController {
+  current: Platform;
   constructor() {
     this.registry = [];
   }
@@ -21,11 +15,19 @@ class PlatformController {
     this.current = platform;
   }
   get() {
-    return platform;
+    return this.current;
   }
   register(platform) {
+    if (!platform instanceof Platform) {
+      platform = new Platform(platform);
+    }
     this.registry.push(platform);
   }
+  isRegistered(platformName) {
+    return this.registry.some(platform => {
+      return platform.name === platformName;
+    });
+  }
   detect() {
     for (let platform of this.registry) {
       if (platform.matcher()) {
@@ -37,18 +39,23 @@ class PlatformController {
 
 export let platform = new PlatformController();
 
-platform.register(new Platform({
-  name: 'android',
-  matcher: () => {
-    return /android/i.test(ua)
-  }
-}));
-platform.register(new Platform({
-  name: 'ios',
-  matcher: () => {
-    return /iPhone|iPad|iPod/.test(ua)
-  }
-})
+// TODO(ajoslin): move this to a facade somewhere else?
+var ua = window.navigator.userAgent;
 
-function detectPlatform() {
-}
+// TODO(ajoslin): move these to their own files
+platform.register({
+  name: 'android',
+  matcher() {
+    return /android/i.test(ua);
+  }
+});
+platform.register({
+  name: 'ios',
+  // For now always default to ios
+  matcher() {
+    return true;
+  }
+});
+
+
+platform.set( platform.detect() );
diff --git a/src/platform.js b/src/platform.js
deleted file mode 100644
index 0689cc66fb..0000000000
--- a/src/platform.js
+++ /dev/null
@@ -1,4 +0,0 @@
-
-export function getPlatform() {
-  return 'android';
-}