We loved the stay at Giulios place. The appartment is just next to train station, ie you can easily get there from the airport. The location is pretty good, most of attractions are walking distance or you can get a Metro near by. The appartment is perfect for a short stay, it even has a nice balcony. Giulio is a great host, very helpfull, responds very quickly, is very fortcoming. I would definitely recommend staying here when in Rome