Overnight it looks like there are a whole load more sessions which have appeared on the PDC site, including a number of sessions for Windows Azure.

In particular, these ones caught my attention

Storing and Manipulating Blobs and Files with Windows Azure Storage

Patterns for Building Scalable and Reliable Applications with Windows Azure

Developing Advanced Applications with Windows Azure

Windows Azure Monitoring, Logging, and Management APIs

 

You can see more details about them here.