I'm somewhat of a fan of the 10 speeds, but haven't had mine long enough to have any trouble. I realized that on the diesel, first gear in the 10-speed was close to a granny gear and then gearing went up from there so I ordered a 3.31 rear and haven't regretted it in any way. It effortlessly pulls everything I hook onto it. Haven't driven one, but I would think a 10-speed would keep a 6.2 or 7.3 on the boil even with a 3.55 rear.
