I just replaced my 35" BFG Krawler tires with a 35" set of these. The Krawlers are renowned as one of the best offroad tires out there. The MTR's are great! I tried them out over the weekend, and they did almost as good. I think some of the loss of grip was based on the fact that they are narrower. They did everything I asked of them. I did hill climbs, rocks, and slick dirt and mud sections. I climbed a few rocks with pretty much just the sidewall.
I am very happy with the on road performance as well. They sound like a mud terrain, but don't feel like one while cruising. Very smooth, no lug slap when coming to a stop that I noticed.
I am sold on these tires. I plan to pick up another set potentially, if I find a good deal on more used ones.
It's not an addiction. It's a way of life.