We just got back and can only really talk about food in parks, I've never managed to get to a resort restaurant, which is a shame as they are often raved about.
I loved the lunch buffet at Crystal Palace, the salads were fresh, the veggies crunchy, the salmon was slightly under cooked, just how I like it as opposed to everywhere else that dried it out (Mama Melroses). The carvery flank steak was juuuuuicy. This was the best meal I had in the parks.
The burgers at the sci-fi we rated well. Although not strictly disney the ribs at AK Rainforest cafe were melt in the mouth. My steak at Mama's was lovely (med/rare) but others in my party disliked their meals there. The food at the Akeshaus for the princess storybook lunch was a real surprise, my lamb was really nicely cooked.
My two girls (4 & 19mo) both lost quite a bit of weight whilst there, they didn't like the food, after two days of mac and cheese they were fed up, after splitting adults meals for them they were fed up. Never fussy eaters at home, I guess they missed their veggies and Mummy's cooking

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I thought counter service was poor, not only was the food awful at cosmic rays the 3 counter things really annoyed the hell out of us. Noodle house was poor. Beef Hot dogs......yuck!!! I enjoyed it when we had a big lunch booked, lovely disney snacks all afternoon then when back to the apt for a salad or sandwich, this suited me to a tee.