This deal has ended.
Normally $40, Buy.com has the Cables Unlimited Wireless Optical Mouse for only $19.99 after this $10 mail-in rebate (expires 2/15). Plus, shipping is free and there is no sales tax (except CA, MA, MD, NY, TN). This mouse is unique, in that it doesn't need a battery. It utilizes RFID technology for eco-friendly energy via the specially designed mouse pad.