I'm getting the asus sli mobo w/ 2 bfg 6800gts and 64 3200 cpu with the xp-120 cooler. if I oc to 2.4-2.5 will there be a bottleneck? What exactly will a bottleneck do in terms of detrimental gameplay(if any?) I got the less expensive cpu in hopes of upgrading to the dual cores soon. ty