The first Treasure Planet Teaser Trailer is on-line at Disney's official site. Click on the link below and select your media-type from the drop down menu on the lower left side of the page. The trailer looks absolutely stunning IMHO.
http://disney.go.com/disneypictures/treasureplanet/flash.html
http://disney.go.com/disneypictures/treasureplanet/flash.html