Last Friday another batch of session for PDC2008 was posted, increasing the count to 84. Still missing are sessions about the next version of Office and MOSS (v14), but there are plenty of other interesting sessions; it will be hard to choose from all the sessions. The highlights of the new sessions (also see this and this earlier post):

Concurrency Runtime Deep Dive: How to Harvest Multicore Computing Resources
Parallel Programming for Managed Developers with the Next Version of Microsoft Visual Studio
With multi-core processors and cloud-computing becoming mainstream, concurrency and parallel computing will become a requirement for more performant software.

Modeling Data for Efficient Access at Scale
Scalable, Available Storage in the Cloud
SQL Server Data Services: Futures
Storing data in the cloud has a number of unique challenges in availability, security and efficient access.

A Lap around "Oslo"
"Oslo": The Language
There has been a lot of buzz around "Oslo"; it will be interesting to see how the vision translates into a product.

Windows Workflow Foundation: Futures
Extending Windows Workflow Foundation v.Next with Custom Activities
Workflow Services
The future of Windows Workflow Foundation and the ability to run processes in the cloud should be very interesting.