Corsair today announced the Vengeance 2000 Wireless 7.1 Gaming headset and Vengeance C70 PC case. The new products are the first wireless headset and first PC case in the company’s growing arsenal of award-winning Vengeance PC gaming products. The Vengeance 2000 7.1 Wireless gaming headset uses rock-solid 2.4GHz wireless that frees and untangles gamers with…