Newegg has the Logitech RX720 Tilt Wheel Advanced 2.4 GHz 1000 dpi Wireless Laser Mouse for $25 with free shipping. Use coupon code EMCMMLP48 to knock it down to $19.
Features:
- Logitech advanced 2.4 GHz wireless: Dramatically reduces interference with 300 times faster data rate.* (Compared to conventional 27 MHz wireless technologies) Virtually no delays or dropouts. Enjoy all the benefits of a cord with the convenience of cordless.
- 1000 dpi laser precision: Experience smoother cursor control on virtually any surface.**(Laser sensor does not work on mirrors or clear glass)
- Side-to-side scrolling plus zoom: Instantly zoom in and out. Scroll horizontally and vertically.*** (Logitech SetPoint software installation required) Perfect for spreadsheets and presentations.
- Battery indicator light: Eliminate surprises. You'll know exactly when its time to change batteries.
- Soft grip: Enjoy exceptional comfort—even after long hours of use.
- Ambidextrous shape.
Newegg.com - Logitech RX720 Black 3 Buttons Tilt Wheel Advanced 2.4 GHz Wireless Laser 1000 dpi Mouse - Mouse
Logitech RX720 Tilt Wheel Advanced 2.4 GHz 1000 dpi Wireless Laser Mouse $19 + FS 
