Hi I want to install mac osx on window based machine, my computer specfication is (AMD Phenom x4 965, ATI 5570, Seagate 500GB Hard drive, Kingston 4GB RAM), I previously tried installing with different version of mac osx but getting kernel panic error and sometimes pc is restarting, so someone please tell me which mac osx version I need to install, also tell me how i can do it.
Thanks.

It is very hard unless you have done it before..

I recently tried to install MAX OS X Lion in my AMD Phenom PC, but i failed

I am still searching for the guidelines on how to install MAC OS X Lion in AMD Phenom based PCs.

I have an AMD athlon x2 64 processor, but i have nvidia graphics. i was finally able to get it working with "Snowleo" distro. Here is a link if you want to try it.

SNOWLEO MAC Snow Leopard OSX86_64 For INTEL/AMD 32/64 MBR/GUID (download torrent) - TPB

I just booted from the dvd, and kept tinkering with the customization settings, and finally was able to get it working