Right now I have a A8-3870k with a 6670, I want to change the graphics card to something more powerful but I also wanted to change the CPU to the Phenom 965 Black Edition. But if I want to change the CPU, I'd have to change the motherboard to and that is too much to change. Is it really much an upgrade from an A8-3870 to the 965BE? By the way the A8 can overclock, I have the hyper 212 for good cooling. How much fps would I be missing out on if I don't upgrade to the phenom 965? Is it really worth is to do a complete overhaul of my system to change the cpu? Isn't GPU the most important thing? I just want to get a new GPU and do a quick switch, if I change the cpu, I'd have to switch the cpu and motherboard and I'd have to install new drivers, etc.