tvguy - yes,
DCL, as most cruiselines, will allow guarantee reservations, meaning you are guaranteed atleast a cabin in the category that you reserved, but there is a possibility you will be upgraded (they will never put you in a lower category). The
upgrade is not guaranteed, however.
poohs4me - yep, there would still be the possibility that you might get moved again. Even after you received your docs, there is still the possibility of a move. Some have posted that they've been informed that were upgraded when they are checking in during embarkation. Here's a little pixie dust for the best room possible.
