You don't have to remove the wheel bearing nut to remove the rotor. After the caliper is removed, the rotor should come off. If it doesn't, it's seized on the hub and will require some effort to take off.
Doh! Didn't know for sure.. the casting on the rotor made it look like it went under the bearing nut. My new rotors don't have the casting down that low. That b**** is on there! (I'm pretty sure they're the originals)
My Pro's rotors were stuck on pretty tightly and wouldn't come off even after poundingn with a sledgehammer. Spraying PB Blaster into the little hole in the hat of the rotor worked well.