Two months ago I walked through how to build a Hackintosh Mac on the cheap using PC parts. Since that post, the OSx86 scene has changed rapidly, and now you can install Leopard on your computer about as easily as installing Leopard on a Mac—no command line hacking required. In addition, the resulting installation can—theoretically,………..
After you read the story have a look here as well for an alternative techinique
http://www.windowsdevcenter.com/pub/a/windows/2005/01/18/PearPC.html