For that size, I would suggest looking into these three tires and deciding what you like best as far as price, ratings, and what other people say. I've seen that these tires all receive relatively high praise on this board (do a search of each tire and see if you can find threads referring to them).
Hankook Dynapro ATM
Tire Details - Discount Tire Direct
I have these. They have GREAT traction, work very well in the snow, and have shown minimal wear over the 25k miles I've had them on already. I expect to get over their 50k tread warranty.
Yokohama Geolander A/T-S
Tire Details - Discount Tire Direct
I think Leeann has these on her Jeep. I believe she speaks very highly of them and reviews say the same.
Firestone Destination A/T
http://www.tirerack.com/tires/tires...ESTATOWL&vehicleSearch=false&fromCompare1=yes
I can't remember who has these tires on their Jeep on here...but I remember them being praised highly.
You're going to get A LOT of opinions on tires, especially from the more respected members on this forum. The general consensus is that you get what you pay for. In these three cases, I find that you likely get more bang for your buck (but maybe not as much bang as, say Goodyear Wrangler Duratrac, which don't come in that size, but do come in a comparable size...forget which. They're very expensive though.)
I purchased from Discount Tire Direct because of their free shipping as well as competitive tire prices.
Hope that helps!!