These code samples show you how to build VSMacros projects, add–ins, and wizards to make your teams more productive and to bend Visual Studio .NET 2003 to the ways you like to work. via [Microsoft Download Center]
The download is all well and good, but what I love is that you just know that the original description used the phrase "bend VS.NET to your will" and was toned down. Other interesting recent MS downloads have been the Windows Media Player SDK MSDE Deployment Toolkit and an example of modifying the Today screen from the .NET CF.