Cool project. I'll be watching where this goes. Being a snowmobiler myself, I know the value of having a nice warm place to pull your equipment in for any needed modifications/repairs. The guys with enclosed trailers always end up hosting most of the parking lot bs sessions.
http://www.skoolie.net/forums/showthread.php?t=9883 - 7.3L 4x4 Shuttle Bus Toyhauler conversion