Hubby and I are in the process of planning a vacation to Hawaii. Besides the smaller stateroom, if you have kids, they will sleep on top of you (YES on top). The bunks pull out over the parents beds. Not so with Disney they have a seperate area that can be shut off with a curtain.
In addition, on the other cruiselines, if I want my kids to spend lunch at the kids club, I have to pay an hourly fee for babysitting. There are no supervised activities at lunch. With Disney the club is open (an no additional charge for those in Club or Lab) from about 8AM to Midnight (times vary slightly based on what day)