Silvia is very nice and warm person. I had a good time staying with her and I recommend it.
Her flat is 5 minutes from the underground station Furio Camillo, which is a big advantage in Rome where going by bus is a nightmare. It's quite fast to reach Termini, Piazza di Spagna etc.
Is also very clean and comfortable, having all facilities for cooking, washing, internet.
When I'm back in Rome, I will definitely stay there again.