So I went digging for mobile webapp frameworks, and I found a nice list to investigate at a later time. While I have used iUI in the past, and it worked well for my purposes… I have read a few reasons why you may consider others (CiUI). Also, I seem to think that there would be some obvious advantages (and disadvantages) to using a cross-platform mobile webapp framework like PhoneGap and others.
Here the list I came up with:
Update (2010-08-13). I just found this article: Announcing the jQuery Mobile Project
Once they get up and running, I imagine it will be a serious contender with the others.
Update (2010-08-18). Here’s an article from Mashable about some of the frameworks and libraries talked about above (and others): HOW TO: Make Your Mobile Websites Act More Like Native Apps