If you end up looking at a 1996+ Pathfinder, ensure that it isn't affected by the recent driver's side strut housing recall or has already been inspected/repaired by Nissan. You don't want to buy a vehicle with this:
1990-1995 Pathfinders with automatic transmissions are prone to the stock cooler clogging. If it still has reverse, it's most likely fine assuming everything else on the vehicle checks out.
Good luck.