Buy.com has a Tritton USB Headphones w/ True 5.1 and External Sound Card for $50.99 after $20 rebate with Free Shipping.
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- The Audio Thunder Phones (TRI-UA501) by TRITTON gives you true 5.1 channel sound in a comfortable headset with 8 strategically placed speakers. The flex boom mic is perfect for online gaming or internet calling. Your computer does not need to have a 5.1 sound card, the Audio Thunder includes a 5.1 external audio controller.