Nicolas was incredibly accommodating and helpful. Check-in was thorough and quick, and he was very responsive when I had questions throughout my stay. Had a brief internet interruption, and he came by that afternoon to make sure it was taken care of. The apartment is wonderful - you can easily walk to the center of the city, San Telmo, or the more quiet neighborhoods to the west. Beautiful furniture, rock-star air conditioning (critical, because it was summer and often in the 90's), tons of space, and the balcony is wonderful (we wanted full-on city immersion for the first few weeks of our stay, and we certainly got it). Our stay here was wonderful.