Rain definitely had the most touristy feel of all the clubs I hit during my fabulous Vegas weekend. The varying levels were awesome for dance breaks for people watching. That being said, the music was varied and good and the guy-girl ratio was definitely out of skew and in my favor :)
I would definitely add this to the must-see-club list of anyone looking for the fun Vegas party experience. Plenty of high rolling VIPs are camped out upstairs for you flirting (and mooching) pleasure.
P.S. Watch out for fire, which shoots out of the dance floor and from the floating cage above. I was so drunk, I seriously screamed everytime it shot out. I'm soo cooooool, I know.