Shame on you. I implore you to at least go rent the first one. Not suitable for the young ones, or even some squeamish women, but it's very intriguing. They all are, IMO. And here:
[youtube=425,350]http://www.youtube.com/watch?v=aQk8VNkAZBw[/youtube]
This is basically the theme they use to piece everything together at the end of the movies. It's a cross betwen horrifying, and beautiful at the same time. Great composition.