I have the ASUS P5E-VM mATX board and its solid, has G35 chipset. Many features but you're limited to one PCI-E x 16, 2 PCI-E x 1, and one PCI slot. I'm OC'ing a Q6600 and outside of the vdrop / vdroop I have no complaints whatsoever.
I didn't touch the ASUS driver CD, so I didn't end up...