The GTX 670 a better value for money if you can find one for sale, current supplies of that card are tight. Also Joe is incorrect. You can't directly compare stream processors between Nvidia and AMD/ATi, as they use different architectures.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.