Newegg has the Logitech Performance Mouse MX Wireless Laser Mouse for $80 - $20 rebate
[Exp 12/26] = $60
with free shipping. Eight-button desktop mouse features the Logitech Darkfield Laser Tracking technology which claims to work on glass and uneven surfaces. Includes Unifying receiver, micro-USB charging cable, AC power supply, pouch for charging system.