The .NET Micro Framework v3.0 Beta is available to download from the Microsoft Connect Site. More information on the Micro Framework team Blog ---> here.
The beta is hosted at http://connect.microsoft.com/netmf includes the following features:
...and if that's not enough, one lucky beta participant, who downloads the SDK, will win a cool RicaVision VAVE100 universal remote control (running SideShow and Micro Framework inside).
Jan has created a great changelog resource here that is well worth reviewing.
-Dave