that's what you get for going over to the CB in the first place. (those people can be NOT nice - cliquey little things, they are) - rant over...
As for
DCL doing Hawaii cruises, that was been kicked around and here is my take (and bursting bubbles). I don't think it's terribly likely because of the whole foreign-flagged thing and other stuff I could really bore you with.
Mostly, I think that by getting back on a ship at the end of the day, you'd lose part of what Hawaii is all about. When I wake up in a new port I feel like, "ok, gotta go check this place out." (or do my excursions - or go do whatever I spent the last year planning) Whereas, if you are in a hotel you are more immersed in the island experience. that's just my unsolicited opinion. We've loved our visits to Hawaii. We'd go back again - especially now that my little brother lives there and knows the "insider spots"
I think I want to try one of those Adventures by Disney first though. That Aussie one sounds gooooood. And the Italy one. And the western one. And...