Since my upgrade I've been playing around the Castle Rock area up there off Rampart like:
http://www.traildamage.com/trails/index.php?id=201
http://www.traildamage.com/trails/index.php?id=152
and up at Grand Lake area like:
http://www.traildamage.com/trails/index.php?id=56
Had to blaze my own trail through the snow on part of that last one. Been there before on quads so knew where a road should be but was all white with snow. I quit after a while though because I was by myself and no winch yet and not too many passers by