Have a look at this site: http://www.microsoft.com/emea/msdn/thepanel/en/default.aspx
With the advent of the Windows Vista Presentation Foundation and the new Extensible Application Markup Language (XAML) stunning 3D visualizations of your applications and animations will be easy to implement. The new Windows Live™ services and Vista Sidebar Gadgets lead to a new generation of customized mini-applications meeting your customers' needs. The Panel is the place to collect showcases of the new user experiences and provide insights on how they were implemented.