Genuine Microsoft Optical Mouse from centrecom online, for under $10 is a steal. Im sure you can grab one from any centrecom store if you dont want to pay shipping (jus call them to make sure)
Maneuver accurately and easily with Microsoft's Optical Technology — the optical sensor delivers superior precision and control. Work more comfortably with an ergonomic design created for either hand. With no software, it's easy to use and set up.
Optical Technology
Navigate with better speed, accuracy and reliability-the optical sensor tracks movement on nearly any surface without the hassle of clogged mouse parts.
Comfortable in Either Hand
Use your mouse with your left or right hand-ambidextrous design makes it comfortable either way.
Customizable Buttons
Get quick access to the media, programs, and files you use most often with customizable buttons.
Scroll even faster
Move through your documents quickly without having to click on the scroll bar.
Additional Features:
Three Buttons
3-Button Mouse
ah this is nice!