Thoroughly wonderful. Swift communication and efficient process. Unbelievable location, halfway between Duomo and Uffizi (less than 5 minute walk to each). Very spacious, plus architecturally interesting. At a good price!
Oh, and flexible, too. Our train got in earlier than normal check-in time, and Martina kept us informed of just when the apartment was ready, so we could set down our luggage as soon as possible.
Could not ask for anything more.