Amazon has a Kensington 72242 PilotMouse Laser Wireless 3-Button USB Mouse for $26.85 after rebate with free shipping. 20 times more surface sensitivity than optical mouse products 2.4Ghz wireless technology helps ensure high-speed wire less performance and great range--Up to 30 feet Advanced power management technology provides up to one year of battery life on two AA batteries Rebate: $5 Rebate (Exp. 731)

This practical optical mouse features a tiny snapin receiver that plugs into your notebook when youre ready to work, and snaps into your mouse when youre on the go. Extended battery life lets you work longer without interruption... . Price: $26.38

Cordless makes more sense with Wireless Optical Mouse 5000. With its HighDefinition tracking, the Battery power can last up to 6 months. This mouse features an Ergonomic design that fits comfortably in either hand to help you point and click in comfo... Price: $32.99

Mac Freedom! Remove the wires that clutter your desktop and pull at your keyboard and mouse. This USB, wireless, optical mouse and keyboard combination set also has a battery charger built right into the radio receiver, so you will always have a fres... Price: $67.24

This revolutionary mouse features our new Tilt Wheel Technology, and wireless technology so you can roll and scroll free of clutter. And with our new longer battery life many users average more than six months without changing batteriesManufa cturer P... Price: $22.35

Apple on Tuesday took the wires off its multi-button scroll-wheel Mighty Mouse. According to Apple, the new mouse features a new laser tracking engine that is 20 times more sensitive than standard optical mice for better tracking on even more surfaces. The Mighty Mouse is Bluetooth 2.0-based, keeping the same design elements of the original mouse. Apple said the mouse also includes an advanced power management system that automatically switches to low power modes during inactivity, and an off switch to maintain battery life while not in use. Apple said the wireless Mighty Mouse works with either one or two AA batteries. The wireless Mighty Mouse is available immediately for $69.

TheTechGeek.com has the Logitech MX600 Laser Cordless Mouse on sale for $36 with free shipping. It supposedly works on surfaces that would stymie other mice, such as glass. SecureConnect wireless technology and extended battery life.