Don't go in Palermo for the city, but go there for Alberto!! Such a nice person! He is ready to help his guests any time and for any matter. He is a specialist of Palermo and will give you the best advice to enjoy the city and avoid tourists. Don't be afraid to follow his recommendations and you will be extremely happy of your stay.
Furthermore, his apartment is located in the heart of the city and you will feel therein very comfortable. Nothing is missing!
Oh yeah, I forgot, Alberto is a great joker, and that will make you sometimes a bit shy :)!