I would say minimum 3 days (get park hopper tickets). In DCA you will still have Monsters Inc, GOG, the 3 rids in Cars land, Soarin, the 4 rides in Bugsland, The Golden Zephyr, King Tritons Carousel, TSMM, Silly Symphony Swings, The Little Mermaid, Jumpin Jellyfish and this does not include any...