Amazon has the Logitech Anywhere Mouse MX Wireless Laser Mouse, model no. 910-000872, for $44.99 (79.99 – 20 instant savings – 15 MIRMIR) with Free Shipping for a limited time. The $15 mail-in rebate expires February 6, 2010. This avanced 2.4 GHz wireless mouse features an ambidextrous design with Logitech’s darkfield laser tracking technology, which enables the power and precision to triumph over surfaces like glass tables where optical and standard laser mice fail. It’s compatible with both Mac and PCs.