These were interesting links that we put together at the end of the Mobility Touchdown
Windows Mobile Developer Wiki
http://channel9.msdn.com/wiki/default.aspx/Mobile
Developer HomePage MSDN Windows Mobile
http://msdn2.microsoft.com/en-us/windowsmobile/default.aspx
MSDN Windows Embedded (CE)
http://msdn2.microsoft.com/en-us/embedded/default.aspx
Loke Uei’s blog
http://blogs.msdn.com/lokeuei/
Josh’s Moblog
http://foreme.spaces.live.com/
Ann Arbor .Net Developers Group
http://www.aadnd.org/
Great Lakes .Net Developers Group (Southfield)
http://www.migang.org/
West Michigan .Net Developers Group (Western Michigan)
http://www.grdotnet.org/