A best bet is the
Logitech T400 Zone Touch Optical Mouse for Windows 8 in Black, model no. 910-003041, for .) That's $2 under our mention from two weeks ago and the lowest total price we've seen for this mouse. (It's a current low by $18.) It features a touch zone strip for scrolling and four programmable buttons, including a Windows 8 start screen button. It requires two AA batteries (included).
$12.99 with free shipping with Prime. (Shipping adds $8.35 for non-members