Whats with the attitude? I would always try a $30 solution over a $230 solution.
I believe that in his particular case, he's not going to get a better overclock by cooling his board chipsets. To me, it looks like his board is his limiting factor now. Granted, I don't know for sure, which is why it'll be good to see.
jimbean - Did you increase the voltage on your NB to get that overclock?