OK here we go i have ATI 9700 AIW pro, 1G ddr 3200 333MHz, 2.53 Ghz 533 fsb, on a Intell 845 mobo. would i get better performance by upgrading to the p4p800-se Asus board for the 8x agp vs the 4x im running now? Games that im playing HL2 , CS:source, COD:United Offensive and UT 2004