Oldboy

I've been reading a lot about this Korean movie Oldboy for the last month or two, and REALLY want to see it when it comes out on DVD. It's a revenge flick: A businessman goes out drinking one night, only to wake up in a hotel room where he's sealed in and held prisoner for 15 years- he doesn't know why, or by whom. Then, he's let out, and still doesn't know why, but decides to find out.

I gather it gets a little violent from that point on. :)

The reviews have mostly been good (Rotten Tomatoes score: 76%), and apparently Quentin Tarantino went bananas over it at Cannes last year. Here's a trailer.