Gigabyte AMD Radeon HD 7950 $339.99 + Shipping at Amazon
This was posted 9 months 23 days ago, and might be an out-dated deal
The cheapest I've seen for a AMD Radeon 7950 Graphics Card. I checked that it can ship to Australia for $13. Its hard to find a better card for this price, you can get a MSI one for $365 on this deal: http://www.ozbargain.com.au/node/73952.
Graphics and Display
Graphics RAM: 3GB
Ports and Connectivity
S-Video Out Ports: 1 VGA Video Out Ports: 1
Cases and Expandability
Size (LWH): 15.9 inches, 3.5 inches, 9.3 inches Weight: 2.9 pounds
Edit: Shipping is $13, $0 for me? Maybe its different for different locations.