We stayed off-site in a house so we did most of our meals there, but here are some places we went. Most of these are counter service only -- check the Restaurant board for table service reviews and help with
DDP reservations.
Cinderella dinner at 1900 PF -- excellent buffet, good character interaction, very noisy
Crystal Palace breakfast -- excellent buffet except for the bacon (truly awful IMO), VERY noisy and bit "rushed" feeling, fun characters, my girls enjoyed this even more than meeting Cinderella!
Pecos Bills, Frontierland/MK -- really good food and one of the better values IMO -- very large portions, lots of seating (albeit backless stools)
Columbia Harbor House, MK -- nothing to write home about, go to Pecos Bills
Earl of Sandwich, DTD -- Yum yum yum to the cobb salad! Service was extremely chaotic (maybe they were new?) Kids were a little leary of warm PB&J but they liked it.
Pizzafari, Animal Kingdom -- Ehh. Wish we done Flame Tree Barbeque as it gets good reviews
HTH!