Local Microsoft evangelist Dave Bost has a blog entry about Windows Phone 7 Boot Camps being held in various cities throughout Sept: http://davebost.com/blog/2010/08/31/windows-phone-7-boot-camp-training/
If you're interested in bringing your Silverlight or XNA skills to the Windows Phone platform, this is a great opportunity to learn more.
UPDATE 2: You can register for the Chicago events here and here.
