I'm gonna dig up an old thread.......
Drove the ACE 570 at Haydays. It was as comfortable as an RZR, but almost seemed easier to get in and out of? Rode really nicely with a decent amount of power, short wheelbase handled the obstacles better than the 900 RZR. Might be a better option for those that don't ever carry a passenger and want a small cargo box.
Only issue we saw was the tie rods for the steering were out in front and just begging to be smashed in by a tree stump.