http://blogs.msdn.com/robcaron/archive/2006/10/14/827797.aspxMicrosoft Learning developed a series of e-learning clinics ( Collection 5134 : Developing Rich Experiences with Microsoft® .NET Framework 3.0 and Visual Studio® 2005 ) you can use free of charge (for a limited time!) to learn how to develop rich experiencesen-USCommunityServer 2.1 SP1 (Build: 61025.2)