Jeff's place was nicely decorated, cleaned, relatively safe, and in a great location for things we planned to do around Hell's Kitchen and Broadway. It's also right by several subway routes which made it easy to get around. He did a great job communicating before and during our stay and met us when we arrived to make sure we had a good start.
A couple things that would have been good to know before we got there are that while you do get the whole place, this is his apartment, so many of his things are stowed neatly around and you don't have access to closets or drawers. Also, his taste in art is very "cheeky", so if you're not comfortable with racy images, it's probably not the best choice for you.