C9 Bytes: Don and Chris explain Oslo in 5 minutes


The future of C#

Blend - tips and tricks

Windows Azure: Architecting & Managing Cloud Services

SQL Server 2008: Developing Large Scale Web Applications and Services

Live Services: Making your Application More Social

Deep Dive: Building an Optimized, Graphics-Intensive Application in Microsoft Silverlight

And other twitter found highlights

Oomph - Microformats


Boku: a lightweight programming model designed specifically for kids using Xbox 360 game controllers

This Video is last years - will try and get a more recent one