Riccardo's place was modern and well equipped. Riccardo was kind and accomating, and very responsive.
The kitchen and bathroom are what you expect for a city apartment. The only issue we had was the water temperature varying a lot during showers. There's plenty of living space for 2 people between the living and bedrooms. Decor is simple but nice. Most importantly, the apartment was very clean. Separate AC in the bedroom was wonderful in an Italian heatwave, and the washer was really handy.
The apartment is on the third floor around the corner from a main road and a block from the Arno River, but pretty quiet. We walked from the train station, about 20 minutes through a mostly pedestrian zone in the city center. The stairs are fine, but there isn't a lift. There's a convenience store right next door, which I took advantage of and a full super make 2 blocks away. We also took advantage of left luggage by the convenience store for a few extra hours in Florence for 6 Euro.
Overall, good place to experience Florence. Good location and nice, clean apartment.