Yum!

TL03 Microsoft Visual Studio Team System: Software Diagnostics and Quality for Services
TL04 Microsoft Visual Studio Team System Team Foundation Server: How We Use it at Microsoft
TL09 Agile Development with Microsoft Visual Studio
TL15 Architecture without Big Design Up Front
TL24 Improving .NET Application Performance and Scalability
TL37 Microsoft Visual Studio Team System: Leveraging Virtualization to Improve Code Quality with Team Lab
TL45 Microsoft Visual Studio Team System Database Edition: Overview
TL47 Visual Studio Team System: A Lap Around VSTS 2010
TL51 Research: Contract Checking and Automated Test Generation with Pex
TL52 Team Foundation Server 2010: Cool New Features
TL60 Improving Code Quality with Code Analysis
TL61 Panel: The Future of Unit Testing

Edit: You can find almost any of the content at http://channel9.msdn.com/tags/pdc/.