Location location location!
We stayed here for just one night and it was a great base in the very heart of Florence. And yes, the Duomo view really is that good. It's hard to stop taking photos.
The building is secure and has a lift, which is a dream after a day of sightseeing in the middle of stifling summer.
The apartment itself is spacious and clean but the kitchen is TINY and not great - fine for a 1-2 night stay but wouldn't recommend for longer term stays. Ditto the bathroom - it's a little rough around the edges but served its purpose for our one night stay.
Pillows not good (mine was terrible), but again, can suck it up for one night.
Not sure how price stacks up to hotels in Florence, but the view and "wow" location of this apartment makes up for the other shortcomings.