Here are a few links for downloading VS 2010 training kit and the relevant content to get you started:

 Visual Studio 2010 and .NET Framework 4 Training Kit

Visual Studio 2010 Beta 2 (Hyper-V)

Visual Studio 2010 Beta 2 (Windows [7] Virtual PC)

Visual Studio 2010 Beta 2 (Virtual PC 2007 SP1)

Tailspin Travel Demo

Episode 37: Leveraging Model Metadata and Validation with ASP.NET MVC2

Episode 36: Windows Server AppFabric and Workflow Services Lab

Episode 35: PreEmptive Solutions Runtime Intelligence

Episode 34: Debugger Enhancements and Improvements