Enjoyed two nights at Mauro's place; looked exactly as in the pictures, very cosy feel! The bed is very good quality, kitchen has everything you need, location is very very central (but quiet at night!) and communication with Mauro and his friend Francesco (who met me to open the door) went perfectly. Very friendly and good advice, thanks!
Only downside is that water pressure is a bit low in the shower (girls with big hair cant really wash it) and there is no private WiFi (apart from the wifi the city of Palermo offers; which works sometimes in de apartment). But I felt comfortable, safe and happy so I would recommend staying here! Its a perfect location for everyone (singles, couples, every age): you are in the middle of the old city center with all the sights in walking distance. Francesco recommended me the markets, Ballaro market and Il Capo market which were great. I also really appreciated that I could leave my luggage after check out. Saved me a lot of hassle!