We had a good experience at Elena's place. We received a warm welcome from Alvaro and Elena with some chocolates for Easter. The flat was equipped well, very clean and tidy. You will find everything you need there. It's very close to vatican (less than 10 min on foot), and so a bit far from the city center. You could easily reach there from FCO airport by a shuttle bus, so no need to take the F1 train. I recommend this apartment.