Here's a nice deal which will probably be better than any Boxing Day sales for HDDs. Seems like it's the normal price of $148 with an unadvertised 20% discount, bringing it down to $118.40.
Pricematch at Officeworks for an extra 5% off ($112.48), which should definitely make it the cheapest 3TB around today.
Merry Christmas all!
NOTE 29/12 - Officeworks have dropped their price to $118.40 as well, so no more 5% discount.