we at greek say:you have **** your pc (with the trut reamins) and we mean(omg your pc is so good and you have spend a lot of maney for it)I don't know how to say at english.we say it at greek so i write it how i know.
you could run MW3 on a carboard box with some crayon images of people shooting eachother taped onto it, so I'm sure this won't be very much more processor-hungry.