I say put a challenge group together to help prepare for the ski season, my buddy and I are currently doing a p90 hybrid with Insanity.
I think pull ups are one of the few exercises that help get the back ready for the pull of the rope.
Keep a tight line, and a smile on your face. Peace out.
2008 Prostar 214 MCX
Previous 93 Prostar 190 1.5:1 GT40
"Left Foot Forward and preferring girls."