I am sorry to hear that you are going to give up. Wifi needs a replacement for sure, personally i have replaced the wifi card (the easiest thing to do on this laptop) and have a fully working Airport. The usb works fine for me sofar and as for the graphic card, i did try and connect it to a 22`` screen i have at home and it works, mind you that i use Chameleon Graphic Enabler and not NVEnabler (maybe they are the same), and for the sound....i dunno, imkantus is working on this, i hope it gets resolved, thanks Imkantus for your effort. So what i am saying is that although its hard to get the right set of everything for your laptop, it was not meant to be Macintosh in the first place, right?

Cheers

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MSI P5Q / C2D E8400 @ 3.0 Ghz / 8GB DDR2 800Mhz / PCIe ECS 9600GT 1Gb / ALC1200 / Windows 7 / OS X 10.8
ASUS K50IN (SX004L) / C2D T6400 @ 2.0 Ghz / 4GB DDR2 800Mhz / nVidia G102M 512Mb / 15.6" HD/LED / ALC662 / Dell 1490 802.11g / Windows 7 / OS X 10.8