Tell me and other PHPBuilder readers what your top requirements are and I will use the feedback to drive the features in Inform8 Web -- especially as we push out of BETA and into version 1.0. Hopefully, we'll build a framework that suits as many people as possile.

I have listed my top 5 in this article:

http://informed.inform8.com/your-top-5-web-app-framework-features