Go watch them while they are still fresh.
TechDays 2010: Exchange Information Protection & Control (including RBAC)
TechDays 2010: Exchange Performance/Scalability
TechDays 2010: Managing Exchange 2010
TechDays 2010: Moving to Exchange 2010
TechDays 2010: Exchange High Availability
Cheers,
Henrik Walther
Technology Architect/Writer
MCM: Exchange 2007 | MVP: Exchange Architecture
MCITP: EMA + EA | MCSE: M + S | TechNet Influent