Originally Posted by ZrByte

I use 512mb DDR and it does me fine, going by your spec I would recomend upgrading the machine in this order.....
G-Card, something like a radeon 9600XT (minimum)
Newer CPU
Faster or more RAM (assuming you dont have top spec ram allready)


There are other things that may well also be worth upgrading but that you didnt list (Hard drive, motherboard, sound etc).