I have a huge number of favorites, but I think my very favorites come from the middle section of Disney animation (late 40's through late 70's); Alice in Wonderland, Sword in the Stone, Robin Hood, Aristocats, Winnie the Pooh, etc. I love the "travel" series - Saludos Amigos and Three Caballeros - too. I also adore the classic live action movies - Pete's Dragon, Mary Poppins, and most anything with Hayley Mills in it. Finally, I am the ULTIMATE POTC fan; I LOVE all 4 movies.
On the other hand, I can't stand the very early movies (Snow White, Bambi, Pinocchio), anything Princess-y (Cinderella, Sleeping Beauty), and most of the newer movies. I can't abide Beauty and the Beast, Hunchback, Fox and the Hound, Brother Bear, etc. And enough with the sequels already!!!
I am somewhere in the middle on most of the newest releases; I don't mind Tangled, Brave, Princess and the Frog, etc - at the very least, they all have strong heroines and good soundtracks. I also don't get the fascination with most of the Pixar releases. I don't mind the original Toy Story, and Cars is Ok; but for the life of me I don't get the appeal of movies like Up, Incredibles, the endless Toy Story sequels, Wall-E, etc.