From OO.com.au's coupon special offer exclusive to email subscribers. There appear to be special coupon codes and each coupon code can only $5-$40 from selected products. For example $40 off for the Telefunken dual 8" LCD screen portable DVD player, and $30 off Sansui PVR.
Coupons are valid until 20 Jan 2007, and you need to apply coupon multiple times if you purchase more than one items that have coupon discount.