Fantastic location, a couple of minutes from Quatro Canti the main intersection of town, and boy does the town and the street come alive there. They close the street and everybody is out. You can walk to most everything. Viola was very helpful and friendly, a great host.
Minor issues -- internet was slow (reportedly a router was unplugged) and water was claimed to be unsafe to drink. Bed's a bit basic, fridge is small and a bit underpowered, but Palermo's center is not a luxury place so it met expectations. Viola even arranged paring for us behind the building.
If you want to be immersed in Palermo, especially on the weekend or at night, this is a great spot.