There was a review that demonstrated the % differential in different games and resolution... maybe someone can post that. In essence, it seems that 1680 x 1050 is point which brings the 1gb in favor. The cost difference is marginal between the two and IMHO you would be better with the 1gb.
What an idiot. You got away with scamming TD and decided to post this here. What did you expect, a round of applause?
You admitted that you "don't know a whole lot about overclocking" yet you do not admit the possibility that you caused the partial failure of the CPU and call everyone...