Got it. SuperMicro is definately not a budget motherboard. I like ASUS and the only servers I have ever built were critical, so I have always used SuperMicro for those.
I'd be curious as to how this one works out for you MD.
DRED, server motherboards support significantly higher amounts of ram (8 ram slots are normal), usually do not have an AGP slot (cheap video solution onboard), almost always have, at least, one 64 bit PCI slot, almost always require ECC ram and are large form factor boards.
If you need something with a lot of ram (>4GB), then a server board is the way to go. However, the CPU's for those boards will have the loudest HSF you have ever heard.
I know our Xeon systems sound like F16's on full afterburner when they are running. Not something you want in earshot.