Last week at CeBIT, ASUS demonstrated its upcoming Xonar-series sound cards, available in two variants: the D2 and D2K in PCI and PCIe x1 interfaces. Dolby Digital Live and DTS Connect multi-channel audio encoding technologies are available for digital multi-channel audio while 7.1-channel analog outputs are available for those that prefer analog to digital. Unconfirmed reports claim the ASUS Xonar-series feature an Analog Devices audio DSP. ASUS also touts Dolby Pro Logic IIx, Dolby Virtual Speaker and Dolby Virtual Headphone technologies for multi-channel upconverting and surround sound. ASUS rates the Xonar-series with an 118dB playback and 115dB recording signal-to-noise ratios. The upcoming Xonar-series sound cards support 24-bit/192 KHz playback and recording resolutions as well as ASIO 2.0. ASUS internal testing reveals the Xonar-series is capable of low total harmonic distortion rates: 0.000006% THD on all eight analog outputs and the single line input, between the frequencies of 20Hz to 20 kHz. ASUS also equips the Xonar-series with an EMI shield and touts it provides “stable audio quality.”
View: Xonar EMI shield concept
News source: DailyTech

I agree, finally some competition. Maybe this will get creative off their butts and working on drivers that actually work.
Heavy marketing that targets the card towards gamers is the only reason Creative have sustained a healthy advantage in the consumer sector, not lack of competition, and certainly not on the basis of quality.
From What I have seen I think it either has optical or coaxial outputs and imputs on it too.
I cant wait for this card so I can finally dump creative.
With Vista it makes sense to go Dolby / OpenAl for all 3d audio needs vs using EAX, which requires modded files put in to the game directory so it can emulate / translate to OpenAL calls.
Or Creative could re-write EAX so it does not rely on DirectSound.... which I don't see happening.
XONAR vs X-FI
"136dB SNR Processing Quality"
on Creative's Sound Blaster Site..
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