Here's a handy list for you to get your fill of Azure related content from PDC.

• Lap Around the Windows Azure Platform
• Windows Azure Present and Future
• Introduction to Building Applications with Windows Azure
• The Business of Windows Azure: What you should know about Windows Azure Platform pricing and SLAs

• Enrich your Applications with Data from Microsoft Project Code Name "Dallas"

• SQL Azure Database: Present and Future
• Using the Microsoft Sync Framework to Connect Apps to the Cloud
• The Future of Database Development with SQL Azure
• Microsoft SQL Azure Database: Under the Hood
• Scaling out Web Applications with Microsoft SQL Azure Databases
• Petabytes for Peanuts! Making Sense out of "Ambient" Data
• Development Best Practices and Patterns for Using Microsoft SQL Azure Databases

• Windows Identity Foundation Overview
• Software + Services Identity Roadmap Update
• Enabling Single Sign-On to Windows Azure Applications
• REST Services Security Using the Access Control Service

Plenty of content. If that's not enough then there are also Channel 9 Learning Centers for Azure and for Identity, and you can download training kits for Azure and Identity here.