We had a very nice stay at Michele's flat, the location is juste perfect if you want to discover by foot the historic center of Rome : 5 min from Trastevere, 2 min from campo di fiori, 5 min from the pantheon, and the jewish district just behind the flat.
The flat is comfy and nicely decorated.
The only point is that you can hear the traffic, but it's really bearable !
I would recommend this flat to my friends !