OH GOSH!! WHERE TO BEGIN!
You'll get a lot of varying answers to your request. I'll give you my top few with a couple to avoid, and I'm sure that my top will be someone else's bottom. But here we go!!!
TOP:
Table Service:
Chefs de France: Our first night tradition. Have never ever had bad service, and the food is always great!
http://www.youtube.com/watch?v=dEBDtVD_T1k
50's Prime Time: Ask for Megan. She's AMAZING! check out the review:
http://www.youtube.com/watch?v=LRuCfzswY6k
Not gourmet food, but if you get the right server it's tons of fun! Really cool atmosphere too. It's a must do at least once.
Grand Floridian Cafe: OOOOOH, the much overlooked GFC! Love it, love it, love it. Here's the review:
http://www.youtube.com/watch?v=-szJ3zBG3SA
Olivia's at Old Key West: WONDERFUL!!!! For breakfast especially, but dinner is outstanding too. Hidden Gem.
Raglan Road: Mixed emotions on this one from the family. But I really really really really liked it. Check it out for yourself:
http://www.youtube.com/watch?v=4B3ZHESSWyA
I would also suggest O'Hana at the Polynesian if you have kids going. My little hint is to make your reservation for about two hours prior to the fireworks, enjoy dinner, and then mosey on down to the beach at the Polynesian to watch the fireworks over Bay Lake.
Kouzzina's at The Boardwalk. Fan flipping tactic!
Counter Service:
Wolfgang Puck Express: Best Counter Service on property. By Far. Period.
The Fish and Chips stand in the UK Epcot. Yummy.
Sunshine Seasons at Epcot. Amazing variety.
The food court at Port Orleans..... one word..... Mufaletta. 'Nuff said.
I also really like Columbia Harbor House in the Magic Kingdom. Little hint: don't eat downstairs. Head upstairs and grab a window seat to watch Liberty Square. Much quieter!!
WE AVOID AT ALL COSTS:
ABC Commissary in Hollywood Studios. I can't even put into words how bad it was.
Flame Tree. To many people it's a favorite, but I'm from NC and that's not BBQ.
Pinnochio Village Haus: Changed the fries and I won't go back out of principal.
I hope you have a fabulous time planning!!!!