I haven't seen it since it was new, thanks for the reminder! Added to my "watch soon" list.
Edit - I seem to remember it has the most satisfying fist fight scene I've ever watched, and I'm not generally one to particularly enjoy fist fights in media.
the film follows an unnamed drifter who discovers through special sunglasses that the ruling class are aliens concealing their appearance and manipulating people to consume, breed, and conform to the status quo via subliminal messages in mass media.