The Springboard Blog went live yesterday and will provide  a frank, open and honest discussion on the challenges and rewards of adopting the modern Windows Client environment.  It will cover the tough issues around managing Windows desktop and mobile PCs, and will be the place to get up-to-date information on the latest Windows Client OS releases including Windows 7, beta opportunities, upcoming events, and more.  

The Springboard Series was launched about a year ago and provides no-fuss content around Windows Client.

TechNet Edge is also a great site with a collection of videos from the product groups in the US. One video to point out:
Interview with Mark Russinovich: the future of Sysinternals, Security, Windows