Ok it looks like you don’t have to wait for the Exchange 2010 webcasts scheduled for June. Well, at least not when it comes to Exchange 2010 architecture, storage, HA, management tools, IRM, Webmail and UM. These popular sessions held at TechEd in US last week are available even for non-TechEd attendees.

Microsoft Exchange Server 2010 Architecture (Ross Smith IV):

http://www.msteched.com/online/view.aspx?tid=067e1...2f0100

Storage in Microsoft Exchange Server 2010 (Matt Gossage):

http://www.msteched.com/online/view.aspx?tid=37c93...68ac8d

High Availability in Microsoft Exchange Server 2010 (Scott Schnoll):

http://www.msteched.com/online/view.aspx?tid=e9863...da12e3

Microsoft Exchange Server 2010 Management Tools (Evan Dodds & Paul McKnight):

http://www.msteched.com/online/view.aspx?tid=5d0ab...9bfc7a

Information Protection and Control in Microsoft Exchange Server 2010 (Ed Banti & Jesse Doughterty:

http://www.msteched.com/online/view.aspx?tid=1dd6c...1275b4

Microsoft Exchange Server Outlook Web Access 2010: The Future of Web-Based E-mail (Paul Limont):

http://www.msteched.com/online/view.aspx?tid=6c107...e926a0

Unified Messaging in Microsoft Exchange Server 2010 (Michael Wilson):

http://www.msteched.com/online/view.aspx?tid=75f67...5f1a27