We enjoyed the stay at the Appartement of Antonio very much. It was our best airbnb experience ever! Antonio is an amazing host, he gave us so many recommendations that he even felt to us like a kind of tourist guide. :-)
The Appartement is very lovely and in an great shape. There is everything you need in the apartment (except a korkscrew :-)).
The location is great, you can reach nearly all the important sights in a 10 min walking distance.
We highly recommend to everybody Antonio and his apparent for a stay in Florence.