Title pretty much states it, I have two choices, they are both the same price. one has a Better Rad (RX240 over RS240) and the other has a better CPU Bock (RayStorm over Rasa Black Acetal) links to both of these are below. what is the best comprimise to make, I will be using a push pull of both wit 2x120mm pushing and a 200mm pulling. and CPU is a i5