Susanna is a great hostess; always quick to answer questions, always available and friendly, communicates clearly, her apartment is immaculately clean. My wife and I appreciated the roses on the linens for our arrival. Full kitchen and washer/dryer are great if you're traveling a lot.
Her apartment is well appointed, comfortable and in a great location (5 min walk to the Metro and only another 5 minutes to the Duomo). There are several restaurants within a couple of minutes walking--morning coffee and cornetti at Tre Marie is good and cheap. Parking garage (about $40 Euro/24-hr just around the corner. Quiet apartment building with some city noise from the outside (you'd have to get pretty far outside the city to escape the city noise).