Trenitalia is offering some deals on the Freciarossa:
Milan-Rome: 39€ in 2 class!
Travel Frecciarossa: an emotion for everyone! Milan- Rome 39€ in 2nd class and 69€ in 1st class!
Rome-Naples: 25€ in 2nd class!
Travel Frecciarossa from Rome to Naples and it costs you 25€ only in 2nd class! You must book your ticket 30 days in advance.