Newegg offers the Logitech G602 Wireless USB Gaming Mouse in Black for $49.99. Coupon code "EMCPRES46" cuts the price to $29.99. With free shipping, that's tied with our December mention and is the lowest price we've seen. (It's a low now by $25.) This mouse features 11 programmable buttons, adjustable sensitivity (250 to 2,500 dpi), and up to 250 hours of battery life per charge.