Great hotel with a few hiccups
This was overall a great hotel in a prime location. The bed was amazingly comfortable and I slept like a baby. The staff were very friendly and helpful. As others said it is a small room but this is standard for Manhattan hotels. There is free bottled water which is nice. I would have given it a higher rating but there were a few snags along the way. 
1. As soon as I came in my room it reeked like cigarette smoke, and I had booked a non-smoking room. That said, I called down to the front desk and they were happy to move me into another room which took a few hours to prepare.
2. The room was cold and the thermostat didn't seem to work. 
3. I ended up having to work overnight on my last night, and when I asked for a late checkout so I could sleep after I got back in the AM, they charged me $40 to move it up to 3pm. Most hotels do this for free, so that was unfortunate. Furthermore, I notified them in advance of the late checkout and put a 'do not disturb' sign on my door, but the cleaning staff still came in and woke me up. Normally that wouldn't be a big deal, but if I'm paying $40 to sleep a few hours it was pretty aggravating to have it disturbed.
I feel like my problems were just unfortunate coincidences that nobody else should expect to see. I would still recommend this hotel to others as I'm sure I just got unlucky. If I ever get a chance to come back to NYC for pleasure purposes I'm sure I will be happy to look up the Jewel again.