Dell Home offers the Dell WM123 Wireless Optical Mouse, model no. J6XG8, for $12.99. Coupon code "QZLZVG878LG5V6" cuts it to $11.69. With free shipping, that's $3 under our mention from last fall and the lowest total price we could find by $7. This wireless mouse uses AA batteries and boasts one year of battery life. Deal ends January 29.