Houlihan's is so inconsistent that I've come to avoid it because of the better-than-not chance it will disappoint. It's a shame because I really thought/think that it has the potential to be a really nice little place.
I've been there three times and each time the experience was uneven. I really liked a sandwich I got there, but found the appetizer I ordered to be overpriced for the size. The service ranged from great to downright awful-- so bad that we had to ask for the manager, something that I have never done before.
With all this said, the drinks have been consistently good and I would probably still consider it for just getting a drink, and maybe an appetizer, particularly if I was staying at or visiting the i-Hotel.