I don't think you're going to notice much difference at the moment to be honest at least as far as performance is concerned. I've just built a new computer using an Abit board, AMD 64 3200 socket 939 and a Zalman cooler. The difference in noise between this and my old PC which had an Asus board with an AMD XP 2000 is incredible. Socket 939 processors run very cool relative to their power output.
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