Hi there. I have a very basic machine: a AOpen MX4LR motherboard with a 1.7Ghz pentium 4 and 1 gb of ram. I am looking for a graphics card that will enable me to play games utilizing the source engine, it counter-strike. Will I be able to run any graphics card? Do I have PCI slots of PCI-E slots? and what kind of cad would you reccomend?