Microsoft have released the October preview of the Visual Studio 2010 & .NET Framework 4 Training Kit. This training content is ready to use with VS2010 Beta 2. You can download from here: Visual Studio 2010 and .NET Framework 4 Training Kit
In addition, Channel 9 has recently launched a free online learning centre that will host developer focused training courses created by developers for developers. The online training course allows developers to search for and browse the content without downloading the full training kit.
The Visual Studio 2010 and .NET Framework 4 Training Course includes videos and hands-on-labs designed to help you learn how to utilize the Visual Studio 2010 features and a variety of framework technologies including: C# 4.0, Visual Basic 10, F#, Parallel Computing Platform, WCF, WF, WPF, ASP.NET AJAX 4.0, ASP.NET MVC Dynamic Data.