Meritline offers the refurbished Logitech G100s Optical Gaming Mouse, model no. 910-003533, for $17.99. Coupon code "MLCJ25GN" cuts it to $11.99. With free shipping, that's $2 below our mention of a refurb from last summer and the lowest total price we've seen. (It's a current low for a new unit by $15.) It features an ambidextrous design, 250 dpi to 2500 dpi tracking resolution, and speed of up to three meters per second.

A 90-day Meritline warranty applies.