Kona has good food, although we have eaten multiple times and the service is lacking and it is quite noisy.
Ohana is an experience. The entertainment can be fun and the food is endless - not as good as Kona, but there is a ton of it. Food is not bad at all, just not as good as Kona.
Captain's Grill - ate there once and do not need to return. So many better options in WDW.