NOTE: This was cross posted from here.

I’ve been waiting for this to happen!  The Surface team ported their Manipulation and Inertia APIs to Silverlight 3+.  They’ve made them available for download at:

http://tinyurl.com/SurfaceManipSilverlight

This is a must have set of APIs if you are interested in building multi-touch solutions on Windows 7 with Silverlight 3+.

-Marc