I actually like Escape From L.A. a lot. But the best ones are, of course, The Thing, Halloween, Big Trouble in Little China, Assault on Precinct 13, Escape From New York, etc.
Halloween is close, though. It's so elegant, so simple, almost elementally perfect. My favorite works of Carpentry are nothing unexpected, but I do have a special appreciation for The Fog, which I think is a tad underrated, and