get the e6400. I know I will! (going to buy it tomorrow).
40$ are worth for the higher multiplier. (o/c better as well)
I wouldn't say the same for the price difference between 6400 and 6600 though.
I would get the E6400 if I had to do it again. The E6300 I did get is good, but feel that I should have waited & saved a little more money to get the E6400. Both over clock well from all the posts I have read though.
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