How Do I: Use the Retooled System Designer in Visual Studio Team System 2008 Architecture Edition?

One of the major changes in Visual Studio Team System 2008 Architecture Edition is the ability to design systems with a Top-down approach.  Richard Hundhausen has posted a great little video walking through the new feature.

 

https://msdn2.microsoft.com/en-us/vsts2008/cc178915.aspx