Good place if you need to be close to Penn Plaza/Station/MSG
When we come to NYC on pleasure, we typically stay about 25 blocks north of here, but we had meetings at Penn Plaza and were travelling to and from the City by train to Penn Station, so we selected the Doubletree - Chelsea. The desk staff was friendly and efficient. The hotel and the room were clean. The room is a bit small - but doable. It included a decent hairdryer (which I appreciate), a little coffee maker, and a small safe. Bed was comfortable.
We booked in advance and got a $209 rate. A colleague booked the week of the trip and got a $400 rate. For $209, I think this place was fine. Had it been $400, I would not have been pleased.
If you need to stay near Penn Station/MSG - this would be a good choice, if you get a good rate.