I will concur with the votes for the HGI Times Square. Decent spread, more than enough variety, and excellent service.

A couple of weeks ago, I tried out the HGI Central Park South due to a great rate, and found their breakfast to be dreadful.

Images linked due to large size.
Image 1: http://i.imgur.com/LKSYHid.jpg
Image 2: http://i.imgur.com/b4ebDjj.jpg