Just check out the latest issue at http://msdn.microsoft.com/Flash/ This a bi-weekly newsletter that can be customized to the topics you are most interested in.
Mine arrived this morning and contained info on the redesigned Windows Vista Developer Center.
A pointer to a free book on Office 2007 System First Look 2007 Microsoft Office System (Downloadable PDF; 6,080 KB)
Links to local training events, like this one below:
June 27, 9:00 A.M. - 5:00 P.M., Ft. Lauderdale, FL
This workshop, delivered by Microsoft's internal application review team, covers application threat modeling and secure application development.
It really is a great resource. Be sure to customize to your interests and geography and you won't be disappointed.
-- Jeff O