newegg offers the Gigabyte Aivia Krypton Wired Laser Gaming Mouse, model no. GM-KRYPTON, for $61.99. This $15 mail-in rebate cuts it to $46.99. With free shipping, that's $3 under our July mention and the lowest total price we could find now by $15. It features a customizable center of gravity, swappable chassis, programmable gaming profiles, right- and left-hand modes, and more. Rebate expires September 30.