Silverlight demos

http://demo.componentone.com/Silverlight/StockPortfolio/
http://demos.telerik.com/silverlight/salesdashboard/
http://platform.modulusfe.com/stockchartxsl.rtw/TestChartTestPage.html
http://www.mscui.net/PatientJourneyDemonstrator/ (This is a good one. Click any of the launch buttons. Shows how you can email, IM, and call from the SL app)
http://www.cookingwithxaml.com/meals/financials/default.html (this may be a bit buggy, but an example none the less)

http://www.bing.com/maps/explore/
http://www.casamais.adene.pt/ (wow)
http://engo.com/photos/
http://acreearth.net/Home.aspx#/VirtualMap
http://www.mongoose.pt/postcard.aspx
http://www.martinidesign.com/newyear10/
http://www.parikhfamily.info/FamilyTree.aspx
http://www.mosaically.com/#Home
http://effectlabs.com/showcase/collage/
http://demos.telerik.com/silverlight/mytweets/