Sorry dont know what section to put this in, but I want to know for those who have ridden REVs, XP's, IQ's or F-Series sleds. How they compare to the new Yamaha's. I love my Apex and Phazer more than anything and am not looking to get a new sled, espcially another brand name sled. But depending on what you read from magazines or other snowmobile sites, opinions on these sleds vary greatly. I am mostly interested in suspensions, because I believe all the newest chassis out on the snow now are awesome. I have not been able to ride any of these sleds, but from what I hear this is my thought of them. MXZ XP's- lightweight, corners great, suspension still needs work, also to me the only thing that has even peaked my interest in going back to two strokes is the new E-tech. Also i heard Doo's new four stroke needs oil changes every 1800 miles and a valve inspection every 12000 I believe. This shows me just how good Yamaha has got the four strokes down. IQ- suspension is suppose to be awesome, the new Dragon SP has probably the second best shock package in my opinion, behind the Nytro RTX SE. Polaris 800 is suppose to rip. F-Series- Long range touring sled, great suspension with the sliding center rail, heavy for a two stroke and doesn't look very cool, not a very easy to sell sled in my opinion. Has anybody got any time on any of these sleds if so, What do you think? I would also like to say that I love how Yamaha has multiple chassis and not a single premier chassis like the other manufacturers.