Buy.com has the Microsoft Wireless Optical Desktop 3000 for $29.40 plus $8.80 shipping.
Features:
* Scroll side to side: Scroll four ways for greater efficiency and comfort with 4-Way Scrolling.
* Enjoy fast access to your media: With the touch of a button you can easily access your favorite music, video clips, and media programs.
* Use on nearly any surface: Navigate with better speed, accuracy and reliability—the optical sensor tracks movement on nearly any surface without the hassle of clogged mouse parts.
* Work in greater comfort: The stylish, curved design of this ergonomic keyboard helps your hands and wrists rest more naturally for greater comfort.
*** Ships from and sold by Bzboyz Via Buy.com ***
Microsoft Wireless Optical Desktop 3000 - 65W-00001 - Buy.com
Microsoft Wireless Optical Desktop 3000 $29 + SH 
