All you wanted to know u can find here I have seen many people still struggling to find how can it work, here i have compiled a guide also mentioend the Hardware Compatibility guide. Check them and let me know if any confusion

How To - Install Mac OS X Leopard OSx86 on PC Dual Boot Windows 7, Vista in 9 Easy Steps | BLOG OUT LOUD!
[Mac OSx86] 10.4.8 VMware Installation Guide | BLOG OUT LOUD!
Hardware Compatibility List (HCL) - OSx86 | BLOG OUT LOUD!

Note: I have also posted installation steps of snow leopard on this forum you can find it in the snow leopard category