The Priest's Hideaway, what can we say that hasn't been said before? This apartment is in the perfect location. My wife and I walked all over Rome and not once did we think, ah, next time we should stay in this (other) location. So from a location standpoint it's a 10. Walk out of the building and there are bakeries and biscotti shops, bars and restaurants.
Alojsia is an excellent host and always had quick responses for our questions. She was easy to reach and very easy to deal with.
The terraces are stunning, whether you look North, South, East or West.
Honestly there was nothing I would have changed, nothing that needed improvement. Excellent host, excellent apartment, excellent location. What more do you want?