Pitch Black : Special edition and 28 Weeks Later both for £1, god bless cash converters being next to my train station, nothing beats bargain hunting in the chav racks.
Pitch Black is a bona fide genre classic and despite some downfalls 28 Weeks later is pretty decent, the opening ten minutes is one of the most visceral and thrilling horror set pieces I've ever seen.
Oh the helicopter bit is awesome.
"Are you guys mentally challenged? Because, if you are, then I'm certified to teach you baseball."