I used to use CodeIgniter. It's really good for beginners and easy to to get into. But, it's still not rapid enough for me. After a few big successful projects, I have switched to Yii framework. I wrote about the reasons the switch to Yii here:<p><a href="http://www.backwardcompatible.net/post/8961623281/7-reasons-why-yii-framework-is-better-than-codeigniter" rel="nofollow">http://www.backwardcompatible.net/post/8961623281/7-reasons-...</a><p>RedBean does reduce 7 reasons to 6, but still. With Yii you get everything in a single RAD MVC framework.