Best Buy is currently offering 15% off of open box desktops, notebooks, monitors and projectors. This discount is in addition to the already discounted prices that they have on the open box merchandise. Just print off the coupon and take it to your local Best Buy.
Before you go and purchase some open box merchandise you need to think about whether the item you are purchasing is worth the discount. Items like the notebook computers are left on for extended periods of time which could effect how long the computer will last. However, the 15% off would probably cover what an extended warranty would cost.