Can I Install Leopard OS on a Dell Studio 1535 laptop?

[i24th]

Hi!

I'm a newbie, first post right here.
Hope this is not a repeated topic, if so, would somebody please send me to the one topic that can resolve my... "Case"?

So, I've got this laptop, right:

- Dell Studio 1535 Laptop.
- Intel Pentium Dual T2390 @ 1.86Hz 1.87 GHz.
- 2.00 GB RAM.
- Dell INC. 0H279K Motherboard.
- Mobile Intel 965 Express Chipset Family.
- PS/2 compatible mouse.
- Standard PS/2 keyboard.
- Running Windows 7 (Service Pack 2)

Could I install Leopard OS on it?
If so, what are the steps?

If is possible, I'd like to totally remove Windows and make Leopard the only and default OS.

Thanks.

PS: This video below show the exactly same computer I have, running MacOsX. Let's say I want my laptop to be exactly like that. He didn't help me but he sent me here so... I hope you guys can help me.

http://www.youtube.com/watch?v=DHEgmOsi_vk&feature=channel_video_title