I ran across the Tusk Terrabite tires while shopping on RockyMtnATV and they have a very similar tread pattern to the Mongrels, altho they are 8 ply like the original Mongrels, not 10 ply like the new ones. What really surprised me was how light they weigh compared to the mudder 30" tires out there - they come in at only 32 lbs for the 30" tire. I am definitely thinking they are my next tire for my Catillac. Also, RockyMtn is running a promo on the tires with a $40 gift card when you purchase 4, and they are already priced pretty low at $139.50 per tire (-10 per tire for the $40 gift card).