I stayed in Ximen's apartment for a week, and it was very comfortable and quite spacious for a studio. The amenities are all very modern and recently renovated including kitchen and bathroom, and well-decorated. It's in a nice building with night doorman. Ximena and her father were very communicative and helpful in making the booking and check-in/check-out was very professional and smooth. The studio is well-located in Palermo, not far from the restaurants, cafes, and tango spots in Palermo Soho. Avenida Cordoba is right next door, which means groceries, dry cleaning, and good restaurants are all nearby, but also significant street noise (it didn't bother me, but if you are a light sleeper, you may wish to consider that). I would enthusiastically recommend this apartment to a solo traveller or a couple.