Staples.com has the Logitech MX Revolution Cordless Laser Mouse for a good deal.

CNet gives this item a rating of 7.8/10.0 Link to Review

Pricegrabber Price : $99.98 ~ $109.94 Shipped

1. Staples Price : $79.98
2. (Recommended) Go to eBay and buy a Staples $20 off $100 coupon ( Search "staples 20 100" ) and purchase $20 worth of goods you like.
Final Price : $79.98 Shipped