hello guy`s,

@ Georgie99: it is a weird install at first but when one gets hold of the proper install method, everything is smoothie afterwards I hope you upgraded to the latest ASUS BIOS (221 i think). Try booting the USB with cpus=1 or -x, if you manage to install it, boot once more from the USB`s chameleon boot, and choose your fresh partition for booting. This will get you through the welcome screen. Also have the latest Chameleon 2 installed on the boot partition afterwards. I have reinstalled the notebook once more and have found out that we do not have any more use of SleepEnabler.kext or NullCPUPowerManagement.kext (which as it turns out is needed only for the USB install method).

@ keresztesvitez and mao_red and everyone else: here try this set of extensions that i am using now: http://www.mediafire.com/?mmnyizlznyn
I have proper restart/shutdown, audio, graphic, keyboard and trackpad (with multitouch gestures) and i am also using http://www.jinx.de/SmartSleep.html for working sleep mode, just dont forget to use the kext utility!

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