Nikhil Kothari's Weblog : ViewModel Pattern in Silverlight using Behaviors

This post describes the ViewModel aka M-V-VM pattern, and presents a prototype Silverlight 2 framework for implementing this pattern using Action Behaviors (which provide the equivalent of commands) The MVC pattern is quite widespread, and lots has been written about it. Clearly, it is a popular addition to ASP.NET. MVC works especially well for request/response style web apps as well as in naviga