I have never driven a RZR or a 1000, but I think a lot would depend on what you are planning on using the machine for. The Prowler 1000 should have a ton of power and be good for work or play. If you plan on using it for utility, hunting, and need to carry some cargo then the 1000 should be great for that. The RZR doesn't seem to have the carrying capacity, and may be best for play, although I do see them used for a bit of everything. Guess it depends to on what kind of deal you can get.
-2011 Polaris RZR-4 800 (SOLD)
-1999 Polaris Sportsman 500 ATV
-2006 AC Prowler 650XT (SOLD)-- updated bevel gears, updated oil pump driven gear, 4 wheel disc brakes, line lock E-brake, Papa Slap clutch, Xentec HID's, Dynatek CDI, Warn skid plates, Intellitronix gauges, 2010 intake/cvt duct work and dust shield, RZR seats, Bestop folding windshield, full cab kit, rear cage and rear seats (4 seater)