Have you considered doing 1 week at Aulani and another week on one of the other Hawaiian islands? We always do 2 weeks when we go to Hawaii because the flights are long and expensive even from mid-America. I would not want to do 2 weeks on Oahu, but that is just my opinion. Each of the islands is pretty different. We like the Big Island because there are many different terrains there (volcanic, ranch, tropical rainforest, mountain and beach).