Who's Really The Greatest SF Director Working Today?

We caused some consternation last week when we said Danny Boyle » 10/28/08 2:09pm 10/28/08 2:09pm might be the most gifted director currently working in science fiction. So it's time to settle the issue. Who's really the greatest and most talented director creating science fiction movies today? Note: We didn't include any directors who haven't worked…