just posted - SSMS T-SQL Debugger ScreenCast 5:58 - focuses on the call stack. If you haven't played with the new Debugger, this is an easy way to get a look-see.

Channel 9 has two screencast that deal with the new geography data type in SQL Server 2008. Saving Virtual Earth Polygons to SQL Server 2008 Marc Schweigert shows you how to draw a polygon on a Virtual Earth map and save it using ASP.NET AJAX, Windows Communication Foundation (WCF), LINQ to SQL, and the new geography data type in SQL Server ...