Rome was a mess - this is the second time in Rome in the summer and now I remember why I did not go there for 20 years. Hot and millions of people. Took the local train - read the schedule carefully to take the intercity express (40min, non-stop). Took the local back and it stopped at every station, and packed it in so people were sitting on the foors. 2 hour torture.
No cruises added
Did not take the tour to Florence - a real shame but came to realize if you include the drive time you don't have enough time anyway. Took the local bus to Pisa - worthwhile to do.
Forget the excursions. Take the double decker bus tour which stops right outside the port.
Make a deal with a taxi driver to take you to Pompei - schedule more than 2 hours for visit.
Cathederal and the view from the palace area