If you can't ask here and get an honest answer, then I don't know anyplace you will. We've all been there and absolutely NO question is silly!
You will be treated the same (royally) whenever you visit the dining room. I agree with the previous post that you should still tip them the proper amount for the days that you sail -- my understanding is these 'guys' work all different shifts and they (I do believe) they truly deserve their tip.
HAVE AN AWESOME TIME (oh - you so will
P.S. The dining room food is much better than the buffet, or even room service -- at least try to eat there for dinner!!
Sovereign of the Seas, 9/2003