i use the mickey thompson baja MTZ in the 31x10.50 flavor, same carcase as the cooper tire IIRC, pretty sure mickey is a division of cooper.
i picked mine up used for 300 bucks with 85% tread and they have been wearing very well since.. kinda heavy but works decent on road and so far so good off road,
personally i really like the yokohama geolander MT, works great at the race track, wear well on the lighter vehicles, and seem to do very well for general off road use, and are damn near 10Lbs lighter per tire VS the mickey. little out dated lookin on the side walls, but my buddy works for yoko and they will be my next tire for the daily driver