A Developer's First Look at Windows 7

This series introduces Windows 7 with an emphasis on those new features that will be of most interest and use to developers. It consists of: two introductory sessions, one focusing on the new user interface, and one on behind-the-scenes features, two hour-long sessions that cover compatibility and security issues, six shorter sessions which focus on coding for a single new feature
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http://www.msdev.com/Directory/SeriesDescription.aspx?CourseId=104