Amazon has the Logitech Anywhere Mouse MX on sale for $59 - $6 off with coupon code GXTPOFES
- $15 rebate
[Exp 7/31] = $38
with free shipping. Features the new Logitech Darkfield Laser Tracking technology which claims to work on glass and uneven surfaces. Includes Logitech Unifying receiver, 2 AA batteries, and carrying pouch.