You could also look into bumping up to a 235/75/15. You would not notice the size difference and it opens up alot more options. A tire that I have been looking at for similar driving is the Cooper AT3. It has alot of good reviews. Just throwing that out there.
2000 XJ Sport - 4 in lift (mixed components) - Cowl Intake- 31x10.5x15 BFG All-terrains - TNT Customs front winch bumber - Brown Dog motor mounts