I am attending MIX10 here in Las Vegas. Scott Guthrie Very exciting announcements around Silverlight 4 and Windows Phone 7 today.
Silverlight 4 RC is now available for download and will be released in April.
ScottGu showed a lot of applications built in Silverlight running on Windows Phone 7. He announced that all the development and design tools for phone development are available today free and will be free forever!!!