hi i have one tutorial in osx86.net in Potuguease.

yes i have used Snow Leopard to install iatkos in another partition (2nd partition) and replaced the kernel and my appleatiata kext for my motherboard and... Azalia HD audio for Audio.

after that you need to upgrade your bootloader to the last version... and the bootflags PCIRootUID=1 -legacy UseKernelCache=No -v -f if your system wont boot at first time try again... if wont boot again ask here in forum i think we can help you

Greetings From Brazil!