I've had 2 sets of Cooper's on my truck. Out of all the tires i've ever put on my trucks they have been the best. I've had Firestones, BFG's, General's and a few others. None of them have performed as well overall and even come close to lasting as long.
Close to 70k on the last set of Coopers, all the others topped out around 40-50k. I think in the last few years they have really stepped up and come up with a decent tire at a competitive cost. I'll probably be buying them again.