Joe's place in SF is superb. I've stayed in a lot of places via AirBNB (not all on this profile, though) and Joe's place stood out. It was incredibly (a) well-located, (b) clean, (c) secure - two doors before you can enter the dwelling, (d) incredibly comfortable with very clean linens, (e) a great price for the SF market, (f) had a communicative host (Joe) who was easy to get in touch with and even helped us schedule daily cleaning, and (g) in a nice neighborhood without too much foot traffic (Nob Hill).
I would recommend Joe's place to anyone interested in visiting SF for business or pleasure - privacy abounds in this place and it is a HUGE apartment.