Etekcity via Amazon offers the Etekcity Scroll Endurance Wired Ergonomic Vertical Mouse
, model no. 025706341721, for $15.99. Coupon code "MOUSEOFT" cuts the price to $10.99
. Plus, Prime members qualify for free shipping
. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $8.64.) That's $3 under our February mention and the lowest total price we've seen. Features include adjustable 600/1000/1600 dpi, removable palm rest, and thumb buttons for browser navigation.