I'm not much of a Disney fan per se, since I find most of their films cloying, treacly and overly cautious about what to keep away from children's eyes. But I do like:
The Legend of Sleepy Hollow - Released as one of the stories in a 2-story set called The Adventures of Ichabod and Mr. Toad, this was a pretty damn good adaptation of Washington Irving's tale of Ichabod Crane, where thankfully, they didn't get queasy about showing a headless horsemen.
The Computer That Wore Tennis Shoes - Cute l'il teen movie about a college boy (played by a wet-behind-the-ears Kurt Russell) who has an accident which gives him the data assimlating capacity of a mainframe computer.
A Bug's Life & The Incredibles - Although the visual quality of Pixar's films has frequently been amazing, these are the only 2 films by them that appeal to me on the whole, with interesting story, terrific pacing and the least use of annoying in-jokes and furry animals trying to be oh-so-cutesy.