I'm also working on an AngularJS + FireBase web app (http://hixup.com/#/3fKz/). I posted a 'Show HN' yesterday but it didn't get much traction. My app lets you create a simple poll where the votes and comments are updated in real time. Thanks to Firebase I could concentrate on writing client-side code only.
I agree with the other commenters that the AngularFire bindings are not mature yet. The documentation is lacking in detail and I couldn't figure out how to make it work with lists in Firebase. So I ended up using the regular Firebase javascript API instead of AngularFire.
This is a web app I made over the past few days as a little project to learn more about AngularJS and Firebase. The app lets you create a simple poll in a matter of seconds and without the need to register. The votes and comments are updated in real time.
I was impressed by Angular's features and its relative ease of learning. Thanks to Firebase I could concentrate on writing client-side code only; there is no back-end to this app. This means I can host it for free through GitHub Pages.
Your opinions and suggestions are most welcome. What do you like? What would you change? Any feature requests? You can have a look at the code here: https://github.com/dbbert/personal/tree/gh-pages. Coding style advice is also much appreciated.