Apparently its possible to breath new life in your g73 laptop by installing a sager/clevo 7970m into it... Granted youll need to flash the vbios to disable enduro and have a good power supply but hell... If you already own a g73 and want moAR PoWAR ...power to ya with this cool upgrade.
Check it out
http://forum.notebookreview.com/asus-gaming-notebook-forum/657920-ati-hd-7970m-asus-g73jh-19.html
Check it out
http://forum.notebookreview.com/asus-gaming-notebook-forum/657920-ati-hd-7970m-asus-g73jh-19.html