Jett Fine Foods is already one of HK's cheaper online retailers but Mango Menus offers a further 15% off your order: 10% off your first order and an additional 5% for mentioning Mango Menus but you must register first. They stock US frozen Norbest turkeys weighing 14-16lbs and may have some 10-12lbs birds closer to the time.
They also giving away a different item each day for the 12 days of Christmas from 12th-23rd December. The item will be announced each morning on Facebook, with the item following the order date, not the delivery date. This will be for orders over $500.