Scott Cate, a Microsoft MVP, has recently upgraded his popular myKB.com [1] site to use Ajax.NET. In this video, he takes us both on a tour of his new code, and at the same time also a little tour of the Pacific ocean!
See the video at http://ajaxpro.schwarz-interactive.de/download/scottajax.wmv [2]!
Update: there is a low-res version available at Channel9 [3].