Meritline offers the Microsoft Sidewinder X5 Gaming Mouse in Black, model no. ARB-00001, for $29.99. Coupon code "MLCK1T20NL1" cuts it to $24.99. With free shipping, that's a $3 drop since our June mention and the lowest total price we could find now by $2. It features five programmable buttons, 2,000 dpi resolution, vertical side buttons, USB connectivity, and more.