If i were you i'd keep up with this discussion.
http://www.xtremesystems.org/forums/...t=92509&page=8
Jinu117 is trying to see the best way to tune a single stage to best handle quad core loads. It seems a standard vapo or basic custom ss cant hold low temps under load. I'd like to go quad core also but it would be pointless for me if i couldnt keep temps low enough to go 4ghz or higher.