how many fps are you getting? how about AA and AF levels?
If we look at the games recommended videocard, it says a 7900GT
well a 7900GT is about at par with an 8600GT and a 9500GT is slightly better than an 8600GT (though they have the same 32 stream processors)
the 9400GT on the other hand has 16stream processors and half the bandwidth of the 8600GT
how the 9400GT performs that well i do not know, but since you say it does then congratulations
anyway how much is the 1Gb version of the 9400 versus the regular version? do you know (this is just to inform and not to discourage ok) that there is almost no benefit between the 1Gb version versus the 512 (and maybe even the 256mb?)
this is just a heads up to you guys out there who are shopping for video cards
low and midrange cards (up to the 8800GT) will not benefit much on having 1Gb of vRAM..on most situations, the card would have run out of raw power before it reaches the point where that much vRAM is used