Lenovo offers its Lenovo N50 Wireless Mouse in Black, model no. 0C41072, for $29.99. Coupon code "USP1AU241072" cuts it to $8.99. With free shipping, that's tied with our June mention and the lowest total price we've seen for this mouse. (It's also a current price low by $11.) It features an optical resolution of 1,000dpi. Coupon expires August 15.