The Hurt Locker won six of its nine Oscar nominations including best picture, best director - Kathryn Bigelow, the first woman to triumph in the category - as well as best original screenplay for former reporter Mark Boal.
James Cameron picture Avatar was largely sidelined, winning four techincal awards.
Should Avatar have won the Best Picture Oscar?
Click here for the full list of nominees.
Read Peter Calder's review: "Avatar is inane, implausible"