All of the director's films are consistently given the highest marks by nearly every major film review website (IMDB, Rotten Tomatoes, rogerebert.com), and this is no exception.
If compared to his other works, this is considered a masterpiece.
Moral: Go and watch it NOW! No, seriously...
Friend #1: No! It's definitely Princess Mononoke
Friend #2: You all are wack. It's clearly Spirited Away.
(Someplace far far way in Japan)
Hayao Miyazaki: *smiles*