Sara's place is great for 1 or 2 people and Sara herself was a lovely host. She was very quick to answer any questions we had and made our stay very comfortable.
Pigneto is a very hip, cool area with lots of great bars, cafes and restaurants. Would definitely recommend Ciriola, which is just below the apartment, for sandwiches and pastries. There's also a delicious 24h pastry shop just across the street. Also make sure to try out La Santeria and Rosti for great Italian food with a twist.
The apartment itself was very clean and everything worked perfectly - which if you've been to Italy before is saying something! Best of all there was air conditioning which cooled down the room almost instantly. No trouble at all with the internet (just make sure to type in the password all in lowercase).
Only thing worth mentioning is that because the public transportation in Rome is not the best, it can be a bit tiring going back and forth to the center if you're someone that likes to return to where you're staying more than just in the evening. That said, Pigneto itself is worth exploring for a different side of Rome that most tourists won't experience. I would actually say we had a better time checking out the local places in Pigneto than we did among the throngs of tourists in the center. But as they say, when in Rome!