So I have this dell dimension e521 pretty muh maxed out I have a Amd athlon 6400+ cpu 8gb of ddr2 pc6400 800mhz ram and a Asus Radeon 7750 v2 in there I'm also geting a Creative Sound Blaster X-Fi PCI (SB0460) 7.1 Sound Card to put in there I'm having fun with this project of mine if any one has any Ideas of any more upgrades I can put into this system I do have a upgraded heat sink and 1 80mm case fan mounted on the back and its nice and quite and runs great I am trying to fill up the other 2 pci slots and the pcie x1 slot on it.