Sound Quality: "Stereo-Link" vs. Sound Card


Anyone have experience with "Stereo-Link" USB computer peripheral device which connects directly to amp/pre-amp - as an alternative to a soundcard?
Available at www.stereo-link.com for only $129.00!!
Is sound quality of Stereo-Link as good as from top-quality soundcard?
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I have the Stereo-link in my PC system (Klipsch ProMedia 2.1). I used to use it in my 2 ch. system but now thats in a different room. I modified the StereoLink internally and it sounds oooh so good now. To be honest, theres more to get from that product, the manufacturer just had to meet a price point!

It is a great product and its only good for audio playback, not games!