I plan on being on the pier, sitting on my luggage, when the ship pulls into port. Of course, that is my plan for every cruise. :D
Luckily, Arlene always convinces me to wait until 1130 or so; otherwise, my luggage would be bent all out of shape from me sitting on it for hours and hours and....
As for Amex boarding, never found it to be omnipresent or worthwhile even if present.