Have been to the Amalfi Coast a number of times and we have always stayed in Sorrento as it is easier to get to than Positano and has good bus/boat connections to Pompeii, Capri, Positano and Amalfi town. We like to take the boat from Sorrento to either Positano or Amalfi town (from Amalfi t. you can take a bus up to Ravello for spectacular views) and the bus back. Or vice versa. We have visited Naples several times to see the sights but have only stayed here once and only for 1 night--last October we had a 6:30 a.m. flight out of Naples to Paris. Also, depending on the time of year you are visiting, the Campania Express runs between Naples and Sorrento in about 50 min. with 2 stops. Was done for the season when we were here last Oct. Buon Viaggio!