I will be upgrading in the next few weeks and am having a tough time deciding which cards to get. I currently have a Athlon 2900xp, 1gb pc 3200 dual channel, MSI K7N2 Delta mobo, and a 9800 pro card. I will be upgrading to a 3500+ 64 bit, MSI K8N Neo2 Platinum, 1gb Corsair Dual channel and...