Everyone I've seen rides Specialized, Rocky Mountain, or Norco. You have got to ride it to understand. I think Marin is very under rated which is a good thing because if they were highly rated, then the price would be high too. If you are in the market for a F.S then check out this bike. Like I said, this frame compared to the Mount Vision Pro is the same, the only difference is the components.
Most companies change the frame design according to the amount of money they want for the bike.