Great experience!
My husband and I stayed at Natalia and Alex's flat for 3 nights. The flat is lovely- it has a great location, a 15 minute walk from most of the city's attractions such as the Duomo, Uffizi Gallery and Palazzo Pitti. The flat in itself is great with complete privacy, lots of space, perfect cooling/heating, hot water, fully functional kitchen, washing machine and lots of amenities.
Natalia and Alex are great hosts- our check-in was smooth, informative and punctual. They gave us a lot of useful tips about the city (what to see and where to eat) and helped us out with taxi bookings as well. They were available through the Airbnb site for any queries we had. Overall it was a wonderful experience, easily our best Airbnb experience yet! Highly recommended!