Hardware Asylum posted a review on the Sound Blaster X5 Hi-Res Dual DAC USB Sound Card
A quote from the article:
In this review will be looking at the new Sound Blaster X5 Hi-res External Dual DAC USB Sound Card with Fully Balanced Xamp Headphone Bi-amplifier for Audiophiles. The X5 is the current top of the Creative external DAC/Amp line and offers a fully featured solution for all your PC and console audio needs.A news posting would be music to my digital ears.Sound Blaster X5 Hi-Res Dual DAC USB Sound Card Review