In the month May, Microsoft has 5 new webcasts regarding ConfigMgr. An overview:

TechNet Webcast: How Microsoft does IT: System Center Configuration Manager 2007 Client Health Strategies (Level 300)
Tuesday, May 12, 2009
9:30 A.M.–10:30 A.M. Pacific Time

TechNet Webcast: How Microsoft does IT: Using Local Policies to Solve Complex System Center Configuration Manager 2007 Client Challenges (Level 300)
Tuesday, May 12, 2009
11:00 A.M.–12:00 P.M. Pacific Time

TechNet Webcast: How Microsoft does IT: Deploying Windows 7 Using System Center Configuration Manager 2007 and OSD. (Level 300)
Tuesday, May 19, 2009
9:30 A.M.–10:30 A.M. Pacific Time

TechNet Webcast: How Microsoft does IT: Using Virtualization with Hyper-V to Deploy System Center Configuration Manager 2007 (Level 300)
Tuesday, May 19, 2009
11:00 A.M.–12:00 P.M. Pacific Time

TechNet Webcast: How Microsoft does IT: Delivering Internet-based Client Management (Level 300)
Tuesday, May 26, 2009
9:30 A.M.–10:30 A.M. Pacific Time

You can register here!