I have a dell inspiron 537mt with a 2.2 celeron 450 512kb cache and the stock 2gb or hyundai ram ddr2 800mhz and i like a sata2 320gb hd. stock components besides a galaxy 1gb GDDR2 9500gt pci-e 16x graphics card. i currntly have windows 7 64bit and i wanted to know what processors are compatible with this pc and if i should upgrade to 4gb of ram (2x2gb) and what ram speed and company should i use. i mainly play everyqyest 2 on balanced setting not bad but i know my cpu is slowing me down any body got an answer for meh