I must agree with FilComputerArt! ASUS DO NOT create chipsets. But they create great motherboards.
The motherboards recommended by FilComputerArt are at the top of the pack... accept no less for non-DDR AMD Socket A motherboards.
But don't just take our word for it... read about it at Anandtech!
http://www.anandtech.com/mb/showdoc.html?i=1489
Cheers,
ryoken