Pro tip: If you do book this room, ask Luciano to give you the complete address to his apartment, not just the street and street number. This is a big apartment complex with several buildings and lots of apartments in each- impossible to find if you don't have this information!
Once you have that down, the rest is great. The apartment is beautiful with a nice balcony/terrace accessible from your room. The area is very quiet and safe, with a great local vibe, nicely removed from the busy touristy center. The metro is very close and convenient, and there's also a commuter train a few blocks away that goes straight to Fiumicino airport.
Luciano was out of town during my stay, but his friend Juliana took great care of me!