We had a great experience at AM. Alberto is very friendly and accommodating and even carried one of our giant luggage up the to the third floor to our room. Him and his staff make you feel completely at home and work very hard to ensure that you have everything you need or want. Alberto spent a lot of time with us going through the map of Firenza and making many recommendations.
Breakfast included and served to your room is a very nice touch. Another very nice touch is that there is unlimited espresso available to you.
The room was very clean and the bed and bathroom (large shower and very modern) was very comfortable. This is important to note as many other B&B's that we have stayed at lacked in this area.
We would highly recommend. The only down side we experienced was that there was a bar right across the street that was very loud in the evening so if you stay in the Sole room on street side then this may be a factor.