UtechSmart via Amazon offers Prime members its UtechSmart D4000 Optical USB 2.0 Gaming Mouse, model no. US-D4000-GM, for $17.99 with free shipping. (Non-members can qualify for free shipping with orders of $35 or more; otherwise, shipping adds $8.48.) That's $2 below our mention from last spring, $32 off list, and the lowest total price we've seen. This wired laser mouse features 4,000 dpi, six buttons, and a wheel.