hi... saw ur posts ....im thinking to upgrade my pc ..rightnow it AMD athon 64 3000+,2gb ram ddr1,sata 80gb harddisk, motherboard MSi neo series.. XFX 7600 GS 256 mb... 400 watts power supply no brand...dvd rom .... ..rightnow i can play games like call of duty 4 ... but like heavy games it lacks ..e.g crysis n raindow 6 vegas..... so man ...wat u think i should do to upgrade ...still AMD or INTEL ... n budget in mind n try to reuse old things... thx for ur time...