Its a AMD 3ghz 6000+ dual core with 3gb ram and an ati gigabyte 4350 graphics card, modern warfare 2 is fine but world at war is bad.I would of though this spec would of been enough to run it,Is there a bottleneck somewhere as board will only accept 4gb max anyhow and it runs badly (different colours etc appear on screen) if i try the overdrive facility on graphics card