I thought he did a great job with Watchmen. The slow motion stuff was a bit annoying, but the rest of the film is so fantastic that it made up for it. And Nite Owl's costume looks a heck of a lot better than Batman's TDK one does.
My first pick would be del Toro, though.
You still don't understand what you're dealing with, do you? Perfect organism. Its structural perfection is matched only by its hostility... A survivor... unclouded by conscience, remorse, or delusions of morality.
- Ash, Alien