celemine1Gig, thanx a very lot for suggestions!
Your explain that MOSFET's dissipate the heat into the PCB give me one more idea:
Maybe best option for me is to buy CM Gemin II? It will cool all what's around socket (including DDR)...
Will than be need heatsink's on MOSFET's?

One more question:
I remove active cooling from "fets" on my second MoBo (GA-K8NSNXP-939) - it was too loud - and there, temperature is a fairly lower (this MoBo have 6-phase power unit) than on BIOSTAR (3-phase) from first post in this thread.
What is about? Better quality "fets" on GA MoBo or number?