Whenever a director goes back to change an earlier movie, as James Cameron is thinking about doing with his 1986 classic Aliens, people understandably get nervous. Cameron, who has proven just how popular his 3D work is with the Avatar franchise, believes he can update one of the best sci-fi movies of all time AND one of the best horror movies of all time with his 3D technology, and I’m all for it. Usually, I’m one of the people who doesn’t want to see perfection messed with, but that’s not the case here, because I think Cameron has made smart moves with Aliens.