I just finished my session about the Windows Phone 7 mango update at Community Day in Mechelen. During this session, I have shown some demo’s about new features in the mango update concerning the tools (emulator), Silverlight 4 and a couple of new tools in the development framework like reminders, choosers, XNA integration and SQL CE.
You can download the demo’s here.
Silverlight 3.0 (and Silverlight 4) 