we had a big discussion here recently regarding current reputation of motherboard makers and the quality of their current products

so far, Gigabyte is taking the lead for feature-rich, stable, good quality, and well supported motherboards

DFI being the leading in insane overclocking
i think chaintech just left the mobo making business

soltek being the decent but budget board

Abit, MSI, Asus are all not good choices at this moment for AMD platforms