I had an excellent stay at Diego's place. It's a stylish apartment on the first floor of a beautiful building but has been renovated and fitted with modern finishings. Everything worked perfectly and Diego was very helpful in getting me set up with transportation and any other items I needed during the week. The apartment is very centrally located, close to the river, Piazza del Popolo, and Villa Borghese, so there's a lot you can explore from very close to the apartment, especially if it's not your first time in Rome and you'd like to explore it in a more casual way. The only downside I could think of is if you are a very light sleeper, you will get some noise from the city and nearby roads, but I think you will get this anywhere with such a great central location! I would definitely stay here again and highly recommend it.