Cant go wrong with PRO. They have been in the game a long time and have it dialed. They keep their gear up to date pretty well and definitely have the little add ons that make it sweet. I did a Moenkopi trip that was pretty well done, save the way to many yard o beefs in the lunch boxes (our fault maybe) and that we almost lost a boat on night one when the bowline (tied on by the rigging crew) came untied from the boat and we saw it out in the eddy. Something the boatman could have, maybe should have checked but didn't. REO gear seemed pretty dated the last few trips I have seen running their stuff, though that may have changed in the last couple years. I'd go with PRO or Moenkopi if I was going to do a painless type trip.