Though the parties are still going on, the sessions are long done. The big announcements included the release of the Silverlight 4 RC, Windows Phone 7 Developer Tools, Netflix app coming for WP7, and more.
You can check out some of the resources for Windows Phone 7 Series development on MSDN.
Day 2 Keynote promises to be very interesting. Don’t miss it…if you’re not in Vegas, you can always catch it live on http://live.visitmix.com/