Don Sorcinelli has posted his materials from the Mobile Developer Day in Waltham. Check his post out here. You can get the C# source or the VB.Net source to his compact framework .net tips and tricks talk as well as the Powerpoint slides. Even if you didn't get to come up to the Mobile Dev Day, check out the slides and the demos, great stuff there! Also, check out Don's BostonPocketPC site, and guess what, his NEW BLOG! First Duane, and now Don. Two more blogs to definitely add to your list!