After a long run on a bumpy road our Trian.Whiteboard finally found it's way to the MSDN Code Gallery. Even if Microsoft Silverlight 3 is knocking on our doors this smart sample is a good start to get in touch with this technology. It shows how to use XAML to create a Rich Internet Application that communicates with a Windows Communication Foundation service in the background.
Check it out: http://code.msdn.microsoft.com/whiteboard
Play with it: http://playground.pixelplastic.de