I know ScottGu already did a good sample showing integration with Digg and Silverlight, but check out what Jose did!
Jose does a great job explaining each of the components here and what he is doing to develop this application. A good experience demonstration with a lot going on there with Silverlight. I really encourage you to check out this read and subscribe to Jose’s feed – he’s what I’d call ‘wicked good.’
Very cool think popped in my RSS reader this morning. Scott Guthrie (now a corp VP, congrats Scott) put up a first look post at Silverlight 2. Not just a 'here's what is coming' but an 8-part tutorial as well as he built a sample application trying to leverage and demonstrate various parts of Silverlight 2.
These tutorials should be extremely helpful for those wanting to understand some of the newer concepts brought to Silverlight. If you haven't done a lot (or any) WPF coding before, some of this should jumpstart your knowledge a bit.
take a look at 'First Look at Silverlight 2.'