Took the 80 and was glad I did. Roads were bad, essentially driving over limestone shelves and any rock that dislodge themselves. The 100 would have faired, but there was plenty of cedar along the roads to rub up against. We are planning on going back to my buddies ranch in the summer (there are some awesome swimming holes - 30' deep and crystal clear), hopefully by then I will have a lift and sliders on the 100. Take it then for sure.
Oh, and the trip was great. No clouds, lots of beer and probably spent 3 solid hours shooting, had to have gone through 1000 rounds.