Buy.com offers the Corsair HS1 USB Gaming Headset, model no. CA-HS1NA, for $54.99. This $10 mail-in rebate cuts it to $44.99. With free shipping, that's the lowest total price we could find by $41. Features include 50mm drivers, 20Hz to 20KHz frequency response, replaceable memory foam earpads with fabric covers, boom microphone, and more. Rebate ends August 31.