Orson Scott Card, author of two of the finest science fiction books I've ever read (and no, Ender's Game isn't among those two) has a pretty strong review of Serenity. Better than I ever could, Card expresses why I agree with him: Serenity is certainly among the best science fiction movies ever made. I find it hard to claim that it would be number one.
But Card doesn't.
Way to go Google! Keepin' it real...
My neighbor picked me up this very cute print of a cat when he was in Taiwan to thank me for taking care of his cats while he was away.