Don't drink the Kool Aid, Polaris brainwashes people into loving them...LOL
Papa Bear is right, you need to talk to friends, others that own different models and decide what kind of riding you will be doing. Some are better than others at different things.
Rock crawling, Kawasaki Teryx 4 does good, high speed desert, Polaris RZR XP 900 or an Arctic Cat Wildcat, utility work and some trail, Teryx, Prowler, Rhino, Can Am or even the new John Deere RSX850. Everyone will have their opinons and likes. The only important like is what you like. Insist on test/demo rides and not just in a paved parking lot. Research maintenance costs, parts availability, breakage history, etc... They all have their problems, some more than others..
A real biggie is your dealer support. What kind of dealers do you have, a good dealer can make any brand great to own, but a bad dealer can ruin you on any brand also.
Welcome to a great sport... and welcome to the best off-road UTV network in the world...