alc 892 modified vs asus xonar dg hi is this motherboard's audio ( http://www.biostar.com.tw/app/en/mb/introduction.php?S_ID=609 ) better than the asus xonar dg. has anyone bought it? i would like to know your views. also if you know what kind of dac's are used. i currently have an audigy value card. thank you.