performance notes wip

README.md

@@ -2,8 +2,29 @@
 
 Ionic 2 is the next generation of [Ionic](http://ionicframework.com/), the open-source mobile app development SDK that makes it easy to build top quality mobile apps with web technologies.
 
-Ionic 2 is based on the new 2.x version of AngularJS, and comes with many significant performance, usability,
-and feature improvements.
+Ionic 2 is based on the new 2.x version of AngularJS, and comes with many significant performance, usability, and feature improvements.
+
+
+## Current Angular 2 known issues:
+
+- Angular 2 is still in alpha and is not production ready
+- Angular team has first focused on developing what the core of Angular 2 "is"
+- Filesize and start-up times have not been optimized in Ionic's developer preview yet
+- Once Angular 2 reaches beta there will be significant improvements to Ionic's current state
+
+
+## CSS Attribute Selectors:
+
+- Simple
+- Smaller markup
+- Easier to read and understand
+- Not an issue for today's mobile browsers
+- No performance impacts have been found
+
+
+#### Starter Project
+
+[https://github.com/driftyco/ionic2-starter](https://github.com/driftyco/ionic2-starter)
 
 
 #### Building & Running
@@ -12,8 +33,3 @@ and feature improvements.
 2. `gulp watch`
 3. Go to [http://localhost:8000/e2e/](http://localhost:8000/e2e/)
 4. Stay cool
-
-
-#### Starter Project
-
-[https://github.com/driftyco/ionic2-starter](https://github.com/driftyco/ionic2-starter)