We just got back from the Art of Animation earlier this month - we were there for four days and spent around $400 in food for two adults and a toddler. The food court at A of A is really good - not just the standard pizza and burgers. We ate there several times - my favorite was the tandoori chicken with naan bread and jasmine rice. And the Florida orange blossom beer! But they are renovating some dining rooms, so it did get a little crowded, even at off times.
You're probably staying in a family suite with a kitchenette, but even the standard rooms have little fridges, so you can buy yogurt, cereal and milk at the food court at night, and save yourself time in the morning with a quick breakfast. Have fun, and pm me with any other questions about A of A spring '14!