I am coming back in to the sport i am looking at two sleds right now and they are around the right price the first is a 2010 assault 800 with 1440 miles and a fresh top end update with walker evens float shocks for 6000 dollars and the second 2008 Skidoo 800R Summit Rev xp 146 track 2&1/4 lug and about 1300 miles for 5000 dollars what are the pros and cons about each sled and what would u recommend? help would be great thanks!