This forum isn't the only source for good information. Over at OCN there is a quite large s939 appreciation thread where you could find quite a bit of good advice. In fact, almost 2500 pages in this thread alone.
http://www.overclock.net/amd-general...cial-2468.html

I still have my DFI LanParty SLI-D with an Opteron 180 and 2x1GB OCZ Bronze DDR500 that do 550+ CL3.