I'd come here for the fantastic view, you get to take in the sights of the entire strip from the Rio's 51st floor.
I came here on a Monday and Tuesday night, both nights were really lame and they ended up closing up at 1. The staff is really friendly though and I would recommend this as a low-key place to lounge, drink, and eat.
Music was nothing to write home about, J LO? 'Nuff said