Sebastiano's place is spacious, clean and super central in the old part of the city and to one of the local markets. Not much noise during nighttime in the neighbourhood, so I slept good.
The flat is close to supermarkets, late night shops and restaurants. Also close to the University of Palermo (i.e. some Institutes/Deparments).
Very good value for money.
I can recommend to stay there wholeheartedly!
Robin