How to install mac os x leopard on Acer Aspire 5551 ANWXMi?

My Laptop Specifications:
Intel Core Duo T5020 @ 1.60 GHz,
553MHz FSB 2MB L2 cache,
2GB of RAM,
320GB of Hard disk,

Sound : Realtek High Definition
Video : Mobile Intel 945GM Express Chipset Family
Wifi : Intel Pro/Wireless 3945ABG Net
Lan : Realtek/RTL 8139/810x

I have downloaded mac os x leopard iatkos 5i 10.5.5. and i have seen many acer aspire laptop just like me success to install Mac OS. I really wanted want to install but still need guidance from all of u..

I have a questions:

1. Which type of hardisk to format either extended or journal or both?
2. I'm not sure which one to select in customization for my drivers working perfectly and laptop spec.



Plz Guide me.