I've been looking forward to this movie for a long time.
It doesn't say what region it's encoded in, but every movie buff should have one of these:
http://us.yesasia.com/en/PrdDept.aspx/pid-...tronics/did-10/
Region-free DVD player
JoBlo had a great review of the movie and his tastes tend to run fairly close to mine (although he doesn't seem to have as much love for Troma movies ;-)):
http://www.joblo.com/oldboy.htm