The hotel and area are very good. It's a good location to explore Shinjuku and the nightlife there.
My only problem is that the hotel seems to have no roof!
The lobby is warm, but the room floors got very cold because of the weather, and when it rains, make sure not to stand on the wooden floor of the hallways! It just seemed like a very strange design, especially on cold and wet nights!
The staff are friendly and helpful, the amenities are good. I just didn't like being so cold outside my room.