I partied at Cat House in the Luxor VIP style, and had a great time. The crowd was smaller than most clubs in Vegas, but that's what I loved! I got a good look at everyone in the place, and left feeling like I'd danced with everyone worth dancing with. I also liked that there were a bunch of elevated spots to jump up on and dance (in the middle of the club and along the VIP walls)! The music was good and the drinks were strong. I wouldn't go back without bottle service though, because it includes spacious seating area where you can lounge until you're ready to dance again. AND you get a variety of mixers.
TIP: Save your money for drinks and try to get passes or escorted in by Chris Chris@FreeVegasClubPasses.com.