Bigbruin.com has posted a review on the ASUS Xonar D2X 7.1 Channel PCI Express Sound Card
A quote from the article:
>> ASUS Xonar D2X 7.1 Channel PCI Express Sound Card Review
The ASUS Xonar D2X isn't your typical sound card. It features a host of impressive features, a generous bundle of software, and a variety of connections and cables to help you get fully connected right out of the box. The large Aluminum EMI shield gives it the appearance of a high end graphics card, while the PCI Express x1 connector finally gives you something useful to stick into those unused slots on your motherboard.
>> ASUS Xonar D2X 7.1 Channel PCI Express Sound Card Review