I like films a lot, but I'm always aware there's a lot of great films I've never seen or maybe even heard of.

The other night for instance, I watched 'Killer of Sheep', it was one of the most wonderful films I've ever seen, but up until last week, I'd never even heard of it.

The week before, I watched 'The Usual Suspects' for the first time - another cracking film, that I'd obviously heard of but just never got around to watching for one reason or another.

As such, I'd be truly grateful if people could list five or so films they DEMAND to be seen. Obvious or not, I just don't want to miss anything.