hello i want to buy new sound card creative x-fi extreme music or asus xonar d2x can any1 help to me who is better cuz i am not expert. i like to listen music btw 

asus

creative
if any1 have this card pls tell me your opinion, and why it is better
thx realy much
asus:Feature List
    * Asus AV200 High-Definition Sound Processor with up to 192KHz/24-bit audio support;
    * Four 24-bit DAC converter for digital sources: Burr-BrownPWM1796, rated 123dB SNR, 192KHz/24-bit;
    * One 24-bit DAC converter for analogue inputs: Cirrus Logic CS5381, rated 120dB SNR, 192KHz/24-bit;
    * Overall rating of 118dB SNR and a Total Harmonic Distortion and Noise (THD+N) of less than 0.0001
    * S/PDIF digital input and output through RCA and optical connections;
    * 7.1 channel audio support, with separate line in and microphone sockets;
    * Dolby Digital Live, Dolby Headphones, Dolby Virtual Speaker, Dolby Pro-Logic IIx, DTS Connect (DTS Interactive and Neo:PC) and WMA-Pro support;
    * Additional MPU-401 MIDI I/O bracket for two MIDI connectors;
    * EAX 2.0, A3D 1.0, Directsound and OpenAL;
    * ASIO 2.0;
creative:Feature list
    * 24-bit Analog-to-Digital conversion of analog inputs at 96kHz sample rate
    * 24-bit Digital-to-Analog conversion of digital sources at 96kHz to analog 7.1 speaker output
    * 24-bit Digital-to-Analog conversion of stereo digital sources at 192kHz to stereo output
    * 16-bit to 24-bit recording sampling rates: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48 and 96kHz
    * ASIO 2.0 support with direct monitoring at 16 and 24-bit at sample rates of 44.1/48/88.22 and 96kHz
    * Enhanced SoundFont support at up to 24-bit resolution
Audio Performance (Rated Output @ 2Vrms, Typical Value)
    * Signal-to-Noise Ratio (20kHz Low-pass filter, A-Weighted)
          o Stereo Output 109dB
          o Front and Rear Channels 109dB
          o Center, Subwoofer and Side Channels 109dB
    * Total Harmonic Distortion + Noise at 1kHz (20kHz Low-pass filter) = 0.004%
    * Frequency Response (+/-3dB, 24-bit/96kHz input) = <10Hz to 46kHz
    * Frequency Response (Stereo only) (+/-3dB, 24-bit/192kHz input) = <10Hz to 88kHz
Connectivity
    * FlexiJack (Digital In / Digital Out / Line In / Microphone) via 3.50 mm minijack
    * Line level out (Front / Rear / Center / Subwoofer / Rear Center) via 3.50 mm minijacks
    * AUX_IN line-level analog input via 4-pin Molex connector on card
    * One External AD_Link (26 pin) connector for linking to the X-Fi I/O Console (upgrade option)
    * One Internal AD_Ext connector for linking to the X-Fi I/O Drive (upgrade option)