ExtJS and then Sencha
Just for more FUN
Why Jack can do this?
(1) Extjs has larger community than jQTouch and Raphaël. This is the main reason for why jQTouch and Raphaël are willing to join in the Extjs community.
(2) Extjs also supports more systematic web user interface (UI) than jQTouch and Raphaël.
How excited of this?
Now Extjs can do far more than what it can do previously.
(1) If you are ipad developer, Sencha is for you.
(2) If you are a graphics oriented UI designer, Sencha is for you.
(3) If you are a traditional UI designer, of course, Sencha is also for you.