I would recommend
- 'Ohana at the Polynesian Resort
- Narcoossee's at the Grand Floridian Resort
- California Grill at the Contemporary Resort
You may have to wait for a window table at any of these, and that can be a problem since the people before you may hog the table. Try to schedule the right time for the reservation, and request a window table.
The California Grill may be the best way to go, as most people venture out to the observation deck for a bird's eye view from the 15th floor.
Narcoossee's and the California Grill will be pricey, but both are very good. There is a dress code for the California Grill, and probably for Narcoossee's as well. Nothing fancy, just no cut-offs, tank tops etc... Most people will dress somewhat nice.
'Ohana is a laid back, family style all you can eat meal. The price is reasonable, and the food is outstanding.
There is also some entertainment for the kids.
The absolute best place to view Wishes is from Mainstreet. That said, I wouldn't watch them from a restaurant at the Magic Kingdom because you will never see through a standing crowd.
Being a DVC Member you may know most of this, but I figured I would type away for the benefit of others.