This poll is doomed! It's like comparing apples, oranges, pickaxes, boogers, theories of gravitation, and Jennifer Aniston's haricuts. So I vote for Other. These all have their place.

I do want to say that -- as "epic" -- terminator is a fat notch below all the others. Part I was a classic, part II was impressive but unimportant, and from what I hear part III was .. I dunno, like Oprah Winfrey's theory of gravitation.