We stayed at this apartment over the Christmas holidays and we are glad that we chose this listing. It was close to the Vatican which was convenient for my 80 year old mother. Other popular sights were within walking distance too (use the tunnel and Via Veneto to reach Piazza Navona! :) ). The Carre Four grocery was a short walk away and there are many restaurants in the area.
The hosts were helpful in arranging the airport transportation for us. They also made reservations for Christmas dinner which was helpful since we have no idea which restaurants were open. Max always replied quickly to my emails/queries. Roberto met us upon our arrival and explained everything he can while we waited for Luciano - Max's father-in-law who spoke perfect English. They kept in touch during our 9-day stay, always asking if there is anything they can do for us. Grazie Roberto!
The apartment was very clean and the heating was comfortable in the rooms. We did not have any problem with hot water (and there were 5 of us!). Even though the apartment was in the basement, the windows were pretty thick since we weren't bothered by any noise from the street (cars or people). It was a quiet place with the exception of the time where there was a party in the other apartment.
I definitely recommend this apartment to anyone who is visiting Rome. Grazie Max, Luciano and most especially to Roberto! Ciao!