Im doing a WC setup to try to get another 500mhz out of my OC. for CPU block I decided on the Heatkiller 3.0 and I know I will do the NB and GPU, but not sure if I need to do Mosfets and SB. I currently have Enzotech copper heatsinks on both the mosfets and SB and they feel cool to the touch even holding them for a minute. I also notice in the WC gallery sticky, that most people dont WC these parts. is it that they dont need it with good enough airflow? should I focus on just CPU and NB for my 4.5ghz oc?