Highly recommendable!
Alessandro's BnB is great. We stayed there for a couple of nights and had a great time. There's a lot of privacy - you have your own room, and a bathroom (which is not next door but close to your room). Everything's clean and tidy, the room is brand new and modern. Alessandro is awesome, he gave us all kind of information about where to go, what to see. Also, we could always give him a call when there was a question.
It's not in the city center, which was no problem for us. There's the train station a couple of steps away, which is very convenient. The train brings you quickly either to Vatican or to the metro station. There's also many bus stations around, and the tram station 10 min away.
Breakfast was very good for italian breakfast, had filled croissants, jam, zwieback, tea, coffee, cookies...
Check out the small fruits shop like 400 north on Viale dei Quattro Venti - plenty of terribly cheap and fresh fruits and vegges - and so cheap!