Best Buy offers the Logitech M510 Wireless Optical Mouse
in Silver/Black, model no. 910-001822, or Blue, model no. 910-002533, for $14.99
with free shipping
. That's tied with our mention from three weeks ago as the best price we've seen. (It's also a current low by $6.) It features a USB nano-receiver and ergonomic, ambidextrous design. Two AA batteries are included. Deal ends today.