While Nintendo puts the emphasis on fun in their games instead of next-gen processing power, Disney could be a great fit with them. Both Nintendo and Disney skew heavily towards younger audiences, and those aren't the kind of gamers who'll be concerned with how many polygons it takes to render Goofy's hat into a photorealistic prop. They have sequels in the immediate future: another Chicken Little game comes out around Wii-launch, and you can probably expect another Cars video game.
It'll be interesting to see what Fall Line can produce on their own. Maybe they'll port Kingdom Hearts to the Wii. That would be worth a wait.