Visited this place on our club tour in Vegas. So, the Red Room is gross. I didn't like it AT ALL. Too many people, too crowded, and the music was annoying.
The Blue Room, though - perfect. Less people, I could actually BREATHE, and the crowd's vibe was much better. The bartender, scantily clad of course, was also much cuter on that end.
I LOVE the decor of Cathouse, though - all the wood and old art is just beautiful. Gives it a feel like an old men's smoking club. Loved it.