Update folks.
From what I looked up, the Nvidea G100 is equivalent to the 9400GT... which isn't very good at all, haha.
I actually have a 7600GT that I have lying around, which according to this:
here
Is much better, lol
So I'm going to use that for the time being

I just have to buy a Molex to SATA adapter first to power my HDD and DVD drive
But thanks for the suggestions, I'll bookmark this thread