Dude, you're going to celebrate your 30th birthday in Vegas and you're asking for help from us?
Don't get any hookers, and by all means don't get any blow. You'll wind up getting robbed by the former, and have an OD on the latter.
Save your money, stay home, and read the 2012 edition of the Baseball Prospectus.
OK, joking aside,
Olympic Gardens is fun for a bit, taking over a craps table at the Golden Nugget downtown for a while can lead to mass anarchy and fun with your friends, and then capping the night with a 5 hour drunken mess at a Blackjack table with the same group, especially if you're hollering at random and using special codewords for blackjacks, hot chicks, and douchebags.
Oh, and go read this series
Bill Simmons goes to Vegas - ESPN.