Really nice, clean and surprisingly large apartment. Really excellent location - close to some awesome restaurants and easy walk to lots of places, including metro if you want to go further. Although the location was so central to the really buzzing historic quarter, it was relatively quiet and we had 2 very good night's sleep - maybe it was because we were in a pizza / ragu coma but the quiet helped!
Paula and her partner were both there to greet us when we arrived and gave us all the guidance and tips we needed. Leaving us a very useful guide book and map and introducing us to some delicious Napoli sweet treats upon arrival. A nice touch. Although we didn't need to get in touch with them again during our stay we felt that if we needed to there would be no problems.
If you don't mind paying a bit extra for the convenient location, this is really an excellent place to stay in Napoli.