Microsoft TechNet has free training videos for System Center Configuration Manager 2007 deployment and administration. There are 25 videos (3 to 13 minutes) posted here which are based on SCOM 2007. There are 8 videos (30 seconds to 7 minutes) posted here which are based on SCOM 2007 Service Pack 1 enhancements.

You can watch a 14 minute video embedded on the bottom of this page that covers the New Features of SCOM 2007 R2.

You can watch all kinds of kinds of Microsoft product and “How-To” videos at www.microsoft.com/videos.