The Peppe House in Trastevere is a good place to visit Rome. It was a relaxed appartment. Great to have WIFI and a balconny to enjoy breakfast outsidein the morning. We didn't meet Monica and Giuliano in real life, but we were welcomed by a friend of them and that was ok. Communication by mail and mobile texting worked fine, we never had to wait for long for an answer.

Supermarkets are within a 10 to 15 minute walk. Public transport is almost around the corner and tickets can be bought at small tobacco shop nearby. The center of Trastevere is nearby. The advice for the Roman restaurant in the book in the appartment is a good one, but there are lots of nice restaurants out there.
It's also no problem to walk from the appartment to for example the Colosseum.
Advice for the 'must see Vatican museum': book your tickets online beforehand so you don't have to stay in the line. Also a lot of other attractions and 'places to see' have the possibility to book online in advance.

Extra advantage of this location is that it is also situated in the middle of a popular outdoor market every Sunday (morning till about 2 pm).
We stayed for six days and had a great time in Rome!