I personally love indoor putting courses...and paired with a bar/lounge - sounds like lots of fun and a good idea especially in the winter.
One of my childhood memories was tying the course record at the indoor putting course at the Banff Springs Hotel (30 for 18 holes) in...they put my name up on the course record board...it was a pretty interesting course as well. I've always wondered if that course still exists ...can anyone who has been there recently confirm?
Anyway, I would go to the Crazy Golf Club if I were in NYC...