It not an illegal stuff ya...frend
http://wired.com/news/mac/0,2125,685...w=wn_tophead_1
Note: Developer's DVD (I'm hoping you have it legally) and have a fully bootable copy of Tiger if you want to install on PC(Intel Pentium 4/AMD64, either with SSE2 support only)...Support Apple innovation by buying original software...so there no reason to buy Windows Vista now...
http://wiki.osx86project.org/wiki/in.../Vmware_how_to 
Original Idea by PearPC running Mac OS X on top of Windows XP?
http://www.pearpc.net/
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Other Resources:
Apple's open source projects allow developers to customize and enhance key Apple software. Through the open source model, Apple engineers and the open source community collaborate to create better, faster and more reliable products for our users.
Beneath the appealing, easy-to-use interface of Mac OS X is a rock-solid foundation that is engineered for stability, reliability, and performance. This foundation is a core operating system commonly known as Darwin. Darwin integrates a number of technologies, most importantly Mach 3.0, operating-system services based on 4.4BSD (Berkeley Software Distribution), high-performance networking facilities, and support for multiple integrated file systems.
http://developer.apple.com/darwin/
OSX86 Emulation Guide [Clearer Step-By-Step]
Forum:
http://www.concretesurf.co.nz/osx86/...fae083b3c27abf http://wiki.osx86project.org/wiki/in.../Vmware_how_to http://www.xplodenet.com/ 
Linear Mode
