By Debbie Schlussel Even if you don’t have kids or a family, ” Up ” is a movie you must see. If you do have kids, this Disney/Pixar flick is a great family viewing experience. The movie is the best animated picture I’ve seen since “WALL-E” (read my review) , with ” Coraline ” a close third (though that one is too creepy for young kids– read my review ). It’s not just the animation in this, which is so real that the fifties-style movie news clips at the beginning look like