I stayed at the IP while I was in town for the NAB. Centrally located, relatively cheap, and celebrity impersonators singing for the crowd all for around $40 a night... awesome.
I advise you to get drunk if you plan to sleep because the outside music is so loud it makes it difficult to get a good night's sleep... or you can get ear plugs.
And for some reason, the elevators are the slowest elevators ever.
Ladies - they do have hairdryers in their rooms.