Flying in the day of, and not seeing one of the most wonderful cities in the world? Either way, arriving at 10:25 is not comfortable to me.
And by the way, this is from a person that just flew into Amsterdam today, everything went perfectly, but I can't sleep tonight because the jetlag is killing me. But I am not tied to a cruise schedule, as this is a land trip. But if I were on a cruise, I would have very little time to adjust, flying in the day of sailing.
By the way, if something is going to hang you up at the airport, it's Immigration (not Customs) and claiming your luggage, notoriously slow at FCO. Customs took exactly zero time today at AMS.