Amazon.com has a Creative Labs Notebook Optical Mouse 3500 for $4.99 after $15 rebate. Free Shipping on orders over $25.
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- Advanced 800 dpi optical resolution for smoother & more accurate control on almost any surface n
- Scroll Wheel for scrolling and browsing more conveniently — also acts as a third mouse button n
- Customize buttons for maximum control and more productive performance n
- Ambidextrous design for comfortable use by righties or lefties n
- Retractable USB cable for easier storage