If you have an iPad, check out http://touch.sproutcore.com/ http://touch.sproutcore.com/ and http://touch.sproutcore.com/hedwig/ http://touch.sproutcore.com/hed

If you have an iPad, check out http://touch.sproutcore.com/ http://touch.sproutcore.com/ and http://touch.sproutcore.com/hedwig/ http://touch.sproutcore.com/hedwig/ The HTML5/JavaScript layer is already working very well, and Apple is investing time and effort to making it better. (Learned about those demo apps at the most recent JSConf in D.C.)