I am going to develop a content rich application that ideally should have been an iPhone-app, but since I\'m short on time, I will stick with technologies that I can, such a
I actually just finished writing and article comparing iUI and jQTouch. In my opinion, go with jQTouch because it covers a greater selection of WebKit browser phones like the Palm Pre, Droid and Nexus One.
It will be a slightly larger in file size because it includes the core jQuery library. But if you are already using jQuery in your site, that shouldn't matter.
You check out my article here: http://www.heinencreative.com/archives/articles/iui-vs-jqtouch/