Can I install Mac OS X Leopard on my PC? And Snow Leopard?

- Gigabyte GA-8VT880P Combo
- Nvidia GeForce 6200 Turbo cache
- 1024MB ram (x2 512MB)
- Intel Pentium D

I Have Already tried install Mac OS X with iATKOS v7, but got some problems, now i will try install with BOOT-123 and after with Retail DVD.

-Any one can help me?
-My computer support the OS?
-What is the best way to install Mac OS X on my machine?

Thanks guys, and sorry the bad english.