We had a great stay in David's apartment. The neighborhood is great, very quiet and safe and in a superb location. The subway is within 5 minutes walking distance and you can get uptown or downtown very fast.
There are lots of restaurants close by and even a GROM Italian gelato that we really enjoyed.
David is a great host, he gave us lots of useful advice and he came in the last day to give us a map with instructions of how to get to the airport.
There are books, maps and lots of useful information available.
David told us about a bike store where we can rent bikes and we had a blast.
If you visit NYC, check out the Tenement Museum. We really liked it and it was a special experience. Around 15 - 20 minutes from the appt.