For its current newsletter subscribers, newegg offers the Logitech G400 Optical Gaming Mouse, model no. 910-002277, for $42.99. Coupon code "EMCNBJF83" cuts it to $32.99. With free shipping, that's the lowest total price we could find by $2, although it was $5 less in June (since expired). It features eight programmable buttons, in-game adjustable DPI, scroll wheel, and more. Deal ends August 20.