The ASUS and the MSI nForce2 boards are both at the top of the hill with features and performance. I love my A7N8X, but I concede that MSI also has a good board. There are, of course, others like Gigabyte, Epox, etc. Anything with an nForce2 chipset (that supports dual channel DDR - nVidia has come out with a "discount" single channel RAM option: The nForce2 [non-ultra] 400), will run any Athlon/Duron all the way up to the 3200+. You said you're after the best though, so do some more reading and then maybe flip a coin if you have to between the A7N8X and the K7N2 boards.
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