I stayed at the "Lovely Suite Baccina" with my family in June and really enjoyed our stay. As previous reviews have stated there are a lot of steep steps up so its probably not suitable for the elderly. But if you don't mind the exercise, the area that the apartment is situated is right behind the Colosseum and also easy access to a lot of local bars and restaurants. The room was well conditioned and Paolo kindly had some fruit and beers waiting in the fridge when we arrived.
Paolo was very responsive and even booked us a car on the day we needed to leave.