NeweggBusiness - Logitech G35 USB 2.0 Connector Surround Sound Headset
Logitech Wireless Gaming Headset G930 with 7.1 Surround Sound, Wireless Headphones with Microphone - Newegg.com
Logitech G35 981-000116 Over-ear Headset - 7.1 Surround Sound, 20Hz-20kHz, Noise-canceling, Microphone, Built-in Controls, Voice Morphing USB 2.0 at TigerDirect.com
Logitech G35 Review: This USB gaming headset has good sound quality, but its price tag may deter all but the most hardcore enthusiasts. - Digital Home Advisor - Games - Good Gear Guide