Newegg has the Logitech Performance Mouse MX Wireless Laser Mouse for $100 - $16 off with coupon code MSE5316
[Exp 5/5] - $15 rebate
[Exp 5/10] = $69
with free shipping. 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.