Well there you have it Hank... time to write your own Travel Book! Load it up with those secrets that only truly travelers know about (like the Civ train being on the furthest set of tracks in the station (which is a pain after you have been walking all day....)
And yes, I didn't mean to imply that there wouldn't be crowds at the Vatican in the morning, I was trying to point out that if you go early enough you can beat the "extra" people that the cruise lines dump into the equation.
Carnival Cruise Lines:
Fantasy 90, Celebration 95, Victory 05, Conquest 05, Spirit 6/06, Freedom 6/08, Holiday 7/08, Victory 6/09, Valor 9/09, Dream 6/10, Splendor 8/10,Conquest 8/11,Magic 11/11,Triumph 4/12,Spirit 7/12,Freedom 11/12, Triumph 2/13 - The fire cruise
NCL Dream October 2006, RCCL Mariner OTS June 2007