Country boy,
Everyone has given great suggestions, but what are some of your main uses? If you plan on dragging timber around all day, the RTV may be a better idea, if your going to be using more general uses and some more trail riding the XUV would be a better idea. All of these UTV's have their sweet spots, some do some things better than others. There's really no clear winner for everyone. If you told some more of uses for the UTV, we would be able to give you a better idea on where to go. For now, though, you should go around to your dealers and sit on the tractors. Feel what one is the best for you. I don't think you can go wrong with any suggested as long as your getting what fits your purposes.