I would definitely recommend staying at Haydee's apartment. It is exactly as described. We were met promptly with the key and taken good care of when in need of advise about the local or other queries..The apartment has a very homely feel with (complete with 2 adorable cats) fantastic outside space on the terrace and the rooftop to enjoy the quiet local neighbourhood.
It is within easy reach of all of Rome's attractions and has easy access to trams and train lines.
We thoroughly enjoyed our short Roma getaway.