Currently you can get 15% off iTunes Gift Cards at Woolworths supermarkets. As usual you can not purchase this deal online and must visit your local Woolworths store. The gift cards can be purchased as $30, $50 or $100 sizes. With a limit of 5 cards per customer you can effectively get $500 worth of iTunes credit for just $440.
While certainly not the best deal thats been seen this could still be useful for a quick top up. The same deal is also available at Big W.