I'd have a look at this same/similar question: How to run Mac OSX within Windows Virtual PC
Jonathan Sampson answered:
Can you run OS X on Windows? Yes,
apparently you can with PearPC.
Is it legal? Well, that is another
question on its own.
While it is possible (which is what
you asked), there are certain
While the CPU emulation may be slow (1/500th or 1/15th), the speed of
emulated hardware is hardly impacted
by the emulation; the emulated
hard-drive and CDROM e.g. are very
fast, especially with OS that support
bus-mastering (Linux, Darwin, Mac OS X
do). A lot of unimplementated features
are fatal (i.e. will abort PearPC).
Timings are very still a little bit
inaccurate. Don't rely on benchmarks
made in the client. PearPC lacks a
save/restore machine-state feature. No
LBA48 (but LBA). Currently no support
for hard disks greater than 128 GiB.
Disks > 4GiB are not tested very