I also had a band once upon a time and wanted to revise to the sleeve, but because of my reflux, my surgeon wouldn't do anything but the bypass. He told me the sleeve would make my reflux worse and so I am glad I went with the bypass, but I am 4 years out and have yet, to reach my goal weight. Now, granted, I don't do everything 100% all the time. But I feel healthier than I did before in most respects. The malabsorption is probably what has changed my body the most because I have a hard time taking all the supplements and feel I don't have the muscle and bone mass that I once had. I would like to lose about 20 more pounds, but if not, I am OK with where I am. This may just be my HEALTHY weight since I have been stuck here for awhile now.
I hope you reach your goals with the revision and also have fun on your cruise. I love cruising and never have trouble finding good foods to eat.