From Harry Pierson's[^] blog:

Architecture Webcast Series

Coming in June, hot on the heels of TechEd is the Architecture Webcast Series. This is a series of four webcasts in June and July of architectural topics such as service orientation and reusable frameworks. In addition to the valuable content, you'll also get a free patterns & practices book and get entered into a drawing for a portable media center. Here are the webcasts: