i am trying to choose between the outlander 500, sportsman 500 and the sportsman 550. it no the outty will out power them both by a mile but i don't alot of power. i am looking for a relaible bike that i can trail ride.what problems does the outty 500 have and wat problems does the new sportsman 550 have. i no quite abit about the sportsman 500 casue my cousin has one but for a general trail whihc is beter or does it come down to which is the best deal around