Buy.com has the Logitech V450 Nano Cordless Laser Mouse for $35 with a $10 MIR and free shipping.
Features:
- Laser precision: Enjoy smoother cursor control on virtually any surface. The V450 Nano outperforms ordinary optical mice.
- Powerful, reliable connection: Logitechs advanced 2.4 GHz wireless dramatically reduces interference with 300 times faster data rate. Virtually no delays or dropouts. Enjoy all the benefits of a cord with the convenience of cordless.
- 12 months battery life: Minimizes hassle and helps you stay more productive. Convenient on/off switch saves even more power. Battery-indicator light eliminates surprises.
- Plug-and-Forget Nano-receiver: Barely larger than a coin the Nano-receiver is so small that once you plug it into your notebook, you can forget about it. Your mouse is always ready to use.
- Storable Nano-receiver: Store the Nano-receiver inside the mouse, if necessary. When stored inside the battery compartment, the mouse turns off automatically.
- Sculpted, ergonomic design with soft rubber grip: Work longer in more comfort.
- Sculpted keys: Position fingers naturally.
Logitech V450 Nano Cordless Laser Mouse for Notebooks - 910-000620 - Buy.com $10 MIR
Logitech V450 Nano Cordless Laser Mouse $25 AR + FS 
