I've been to the Minnie breakfast, Goofy's Kitchen, and Lilo and Stitch. I know L&S got good reviews here, but I felt it was really lacking.
Goofy's has a GREAT selection of food, and for us, the character interaction was exceptional. We got to see Goofy, Pluto, Max, Snow White, and Cinderella.
At Lilo and Stitch, the characters spent very little time at our table, and Minnie and Daisy took shifts in the front and didn't come to the table. We saw Lilo, Stitch, and Pluto.
I enjoyed the Minnie breakfast and would do that again if not staying at a hotel. The one time I went, we saw Tigger, Eeyore, Pooh, Minnie, Fairy Godmother, and Captain Hook. They all came to the table at least twice, and spent a good amount of time with us. The food options are fairly limited, but if you like waffles, pancakes, and eggs, you should be ok.
Rainforest Cafe in DTD also has breakfast if you aren't interested in a character meal.