If you're looking for a great way to relax in Vegas while enjoying a drink or two with friends - and possibly an appetizer or even a cigar - then here's a list of Las Vegas happy hours recently posted on Vegas.com you need to check out:
Bottoms up!
I walk past Rhumbar at The Mirage on a regular basis (read: two or three times during every trip) and always want to go in. I have no idea why I've never tried it before.
Another one on my "to do" list is Society Cafe'; I have long wanted to dine there, and combining it with happy hour might just be THE thing to do to get it off of my list!