Our team's PDC talks are online on Channel 9:

• Azure Platform Overview (John & Dennis): http://channel9.msdn.com/pdc2008/BB01/
• .NET Services Architecture Overview (John & Dennis): http://channel9.msdn.com/pdc2008/BB02/ 
• .NET Access Control Service Intro (Justin): http://channel9.msdn.com/pdc2008/BB55/
• .NET Access Control Service Drilldown (Justin): http://channel9.msdn.com/pdc2008/BB28/
• .NET Workflow Service Intro (Moustafa): http://channel9.msdn.com/pdc2008/BB27/
• .NET Service Bus Intro (Clemens): http://channel9.msdn.com/pdc2008/BB38/
• .NET Service Bus Drilldown (Clemens): http://channel9.msdn.com/pdc2008/BB12/
• Diagnostics, Logging, Debugging (Steve & Mark): http://channel9.msdn.com/pdc2008/BB39/ (the actual talk starts ~11min into the recording)
• Designing Apps for Scale (Max): http://channel9.msdn.com/pdc2008/BB54/