I stayed at Juan Pablo's while working at a near by theatre. It's a great location close to many small markets, restaurants (many empanadas), and cafes. You can walk to San Telmo or Monserrat or other areas with the touristy things, particularly in the southern half of the city. It also had great air conditioning for the hot Buenos Aires summer—just don't forget to empty the water jug! I also really enjoyed corresponding with Juan Pablo and Laura during our stay.