Hardwarecanucks posted a review of the new Asus Xonar D2 sound card.
A quote from the article:
Asus Xonar D2 Review
Today we take a look at Asus's brand new Xonar D2 sound card and put it toe to toe against its arch rival: the Auzentech X-Fi Prelude. When the dust settles, only one will come out on top.
Asus Xonar D2 Review