If you have downloaded the Exchange Server 2010 Beta or think you might deploy after RTM you can get a head start with the June 2009 webcast series.
Highlights for me will be Federation in Exchange 2010, Archiving and Retention and High Availability.
TechNet Webcast- Exchange 2010 High Availability (Level 300)
TechNet Webcast- Exchange 2010 Information Protection and Control (Level 300)
TechNet Webcast- Exchange 2010 Information Protection and Control (Level 300)
TechNet Webcast- Exchange 2010 Overview (Level 200)
TechNet Webcast- Exchange 2010 Archiving and Retention (Level 300)
TechNet Webcast- Exchange 2010 Architecture (Level 300)
TechNet Webcast- Exchange 2010 Voice Mail enabled by Unified Messaging (Level 300)
TechNet Webcast- Federation in Exchange 2010 (Level 300)
TechNet Webcast- Exchange 2010 Management Tools (Level 300)
TechNet Webcast- Exchange 2010 Outlook Web Access (Level 200)
TechNet Webcast- Exchange 2010 Transition and Deployment (Level 300)
Full listing are at, http://tinyurl.com/pa239n.
Daniel
twitter.com/dannoakes