Few weeks ago Microsoft released a useful training kit for Visual Studio 2008 and .NET Framework 3.5 containing Labs, Demos and PPTs.
The Visual Studio 2008 and .NET Framework 3.5 Training Kit includes presentations, hands-on labs, and demos. This content is designed to help you learn how to utilize the Visual Studio 2008 features and a variety of framework technologies including: LINQ, C# 3.0, Visual Basic 9, WCF, WF, WPF, ASP.NET AJAX, VSTO, CardSpace, SilverLight, Mobile and Application Lifecycle Management.
Before you start downloading, I recommend that you read the System Requirement section if you are using Windows XP. Windows XP is not listed!!
Click here for the download page.