I got mine running on Asus A7N8X-X, runs very stable and cheap board, but in hindsight I wish I had gone for it's big brother with a few more bells and whistles as I ended up adding umpteen cards to run everything anyway.
You seem to have the right idea, buying a good quality motherboard I mean. I presume you're going to keep it for a while and if so I'd look for this - make sure it has USB 2.0 which should be no problem as I haven't seen a USB 1.0 one for a while, Firewire may be useful though I've never used it and I would also try to get a SATA one as well as PCI Express.
If you already have the processor then fair enough, its the same one I have but if I was getting a new motherboard I'd be looking for a slightly faster chip say a 3400 and I'd be looking for a socket 939 processor and chip as these are the new ones and it will last longer. Regarding chipset I really don't know which is the fastest. Have a look here and see what you can find click here
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