I was very pleased with my stay at Valerio's apartment - the location is very convenient for major sights seeing and the neighbourhood has a very charming, truly Italian vibe that is not yet ruined by tourists overflow.
The apartment was very clean and spacioius, exactly as shown on the pictures. Valerio's father greeted me upon arrival and showed everything - he was very nice and, in case you are a Roma fan, you might be in for a treat if you'll talk to him about it :)
Overall, I had a very good experience at Monti's Nest and would definitely recommend it to anyone looking for a nice and comfortable place to stay in Rome!