Buy.com has a Kesington Expert Mouse 7.0 Optical Trackball for $52.99 after $15 rebate with Free Shipping.
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- Designed for PCs and Mac’s, the new Expert Mouse employs Kensington’s Diamond Eye optical technology for smooth, precise cursor movement. n
- Surrounding the ball, we have a brand new implementation of our award winning Scroll Ring that puts scrolling right at your fingertips.