For the last couple of years at PASS we have had some of our top Escalation Engineers from Product Support for SQL Server come to PASS and work with attendees at troubleshooting, getting an insight into our techniques and processes.

These are now available for download;

http://www.microsoft.com/downloads/details.aspx?FamilyId=AEC18337-887F-4EC6-A858-81F84DE8082F&displaylang=en