This is a training website for Designers and Developers of Silverlight and Expression Blend for the .NET environment.
You use you Windows Login account to sign in and create a profile. After that you use the Courses and Tutorials as needed. It does track the courses and tells you how you are advancing. You start off as a “Rookie” and advance to “Captain”.
The site is located at: http://www.microsoft.com/design/toolbox/school/default.aspx