I need help deciding on a new system. I have a P4 2.8 Ghz running on an Intel 915 GAV mobo, with 2 GB DDR ram, an Elsa Gladiac 940 GT PCIe card (256 mb), a seagate 120 GB SATA drive, Combo drive, 5.1 creative speakers and 15 inch monitor. One problem with the system is that the fan makes a lot...