There is, however, a point concern. Microsoft has altered the Terms and conditions for usage. Here is a list of some of the features in the Bing Maps Silverlight Control v1.0:
• Silverlight 3 enabled,
• Position Silverlight UIElements on the Map,
• Data Binding with the MapItemsControl,
• Bing Maps Web Services support,
• World Wrap / infinite pan across the dateline,
• Design-time integration with Expression Blend,
• cool Online Interactive SDK.
Here are some useful links to try out the new Bing Maps Silverlight Control:
Hope this was useful.