I stayed for a month in Juan and Judy's apartment and enjoyed my time. Let's talk highlights of the apartment: the apartment is brand new with all the appliances you need in the kitchen and a TV in the bedroom and living room (very convenient). The bed may be my favorite because it is the most comfortable bed I've slept in during an Airbnb stay. Plenty of towels were provided and the weekly cleaning with Roxana (who is very sweet) was excellent. The building is safe and secure, and there is a nice pool and upper deck area for those coming in the hotter months.
As for the neighborhood, it's quiet but not too far from the hustle and bustle of Palermo. On the block, you can find restaurants, cafes, a great corner store, and everything you need to make the neighborhood feel like home. If you walk 10 mins, you're in the busier area of Palermo with shopping, even more restaurants, and bars.
I recommend booking this place, especially for extended stays.