Xbox LIVE Gold 12 Months Membership Card Xbox 360 for only $45.99 ($3.83 per month).
It's a limited offer, so you'll have to hurry to place your order!
The regular price is $79.95 ($6.66 per month) when you buy at live.xbox.com.
It's $33.96 (42.5%) discount.
Their 14 month card works out cheaper:
http://www.ozgameshop.com/xbox-360-games/xbox-live-gears-of-…
…or wait for another sweet Amazon deal:
http://www.ozbargain.com.au/node/64203
http://www.ozbargain.com.au/node/62461