In addition to releasing the .NET Windows SideShow API that I created, the Windows SideShow team has also just released the Windows SideShow for Windows Mobile Developer Preview:
Install Instructions: http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=3432560&SiteID=1
In addition, the Windows SideShow team has announced in conjunction with nVidia a contest for the best SideShow gadgets produced in the next month or so; prizes are trips to nVidia’s nVision conference and a SideShow-enabled Dell XPS 420. For more info, see this web site: http://www.nzone.com/object/nzone_prefacecontest_home.html