I'm building a PC for my friend, and she wants to play Overwatch at Ultra settings, at a 1080p resolution. I acquired a E5440, EP45-UD3L Mobo and 5GB of DDR2 RAM. Then I went and bought myself a $45 Q6600 PC, it was supposed to come with a GTX580 but it came with a 560 instead. So now I'm...