well, when you say no power, it worries me, I know it must though cuz I ride the 250's down there and the power is there but im suire just cuz of the short gearing which leaves no top speed to speak of.
I am looking at the raptor as well, its got reverse and I remember in one of the ATV mags I had they tested the DS650, raptor, KFX750(I thought), polaris predator and the were all in the upper 70mph range I think and the raptor comes with 20" rears so I could throw some 22's on the back and FLY.
I wouldnt mind getting off and pulling it backwards if I had too as long as Im not on a rocky mountain which is where I usually need it but Ill just ride the 250's to climb with when im down there, most riding is the beach or home-made tracks in the sand or maybe some woods.