Many of these are focused on much larger customers, but if you want to have a peek, do so.
Live Webcasts
Microsoft Webcast: Building Composite Applications Using the 2007 Office System
Thursday, January 25, 2007
11:00 A.M.–12:00 P.M. Pacific Time
Microsoft Webcast: Deploying the 2007 Office System
Wednesday, January 31, 2007
11:00 A.M.–12:00 P.M. Pacific Time
Microsoft Webcast: Overview and Demonstration of myBI
Thursday, February 1, 2007
11:00 A.M.–12:00 P.M. Pacific Time
Microsoft Webcast: Deploying Exchange Server 2007
Thursday, February 8, 2007
11:00 A.M.–12:00 P.M. Pacific Time
Microsoft Webcast: Improve Productivity and Communication Using Office SharePoint Server 2007 (Level 100)
Thursday, February 22, 2007
11:00 A.M.–12:00 P.M. Pacific Time
On-Demand Webcasts
Microsoft Webcast: Introducing Exchange Server 2007, the Next Generation Messaging Platform from Microsoft
Original Air Date: October 25, 2006
Customer Rating: 
Microsoft Webcast: Optimizing ROI with the Microsoft Branch Office Infrastructure Solution
Original Air Date: October 11, 2006
Customer Rating:
Microsoft Webcast: Optimizing Your infrastructure with Windows Vista, Exchange Server 2007 and the 2007 Office system
Original Air Date: November 8, 2006
Customer Rating: 
Microsoft Webcast: Planning and Deploying a Secure Messaging Solution with Exchange Server 2007
Original Air Date: November 14, 2006
Customer Rating: 
Microsoft Webcast: Using the 2007 Office System as a Business-Productivity Platform
Original Air Date: November 2, 2006
Customer Rating:
New Microsoft Webcast: Using the 2007 Office System for Business Intelligence
Original Air Date: January 11, 2007
Customer Rating:
Microsoft Webcast: Using the 2007 Office System for Enterprise Content Management
Original Air Date: November 15, 2006
Customer Rating: