I found the perfect design that eliminates just about every traction problem we have discussed! (Rover wheels definitely NOT included though.)
In fact, I may just get one of these for myself since the darn Groundhog saw it's shadow, & winter is going to last 6 more weeks!
http://www.flixxy.com/snow-vehicle-concept.htm
http://rides.webshots.com/photo/2797...77698672SwrIMv