We stayed 25 nights (!!) in John's Studio and enjoyed it a lot.
It's a small apartment but brand new and modern which has everything a couple needs for short or long stay: A very comfortable queen size bed with small TV next to it; a living-room sofa with nice big flat screen TV; A fully equipped kitchen, allowing you to cook your favorite meals like we did; plus a nice bathroom. The best feature is the curtain wall, ie a window size of the Studio length . Just imagine the fascinating sight of NYC from the 28th floor when drinking your morning coffee, or during the evening ! It is a new building with a hotel style lobby, 24/7 professional doorman service, a billiard room and a kids playroom, located at the upper east side of Manhattan, a very safe area – we walked freely day and night. Subway station is 10 min walk away, many buses surrounding the building which we preferred to use instead. Supermarket is around the block, plenty of shops, bars and restaurants.
We never met John in person but he was available to us whenever we called (and we did not call more than twice). We loved the studio and felt at home. It is absolutely recommended and no question we will return to this studio next time.