Update: Deal over.

Microsoft Wireless Desktop 850 Keyboard and Mouse – Link

Amazon has this currently marked down to just $19.99.

• Advanced Encryption Standard (AES) 128-Bit Encryption
• 2.4 GHz wireless delivers a reliable connection with up to a 15-foot range
• Windows shortcut keys provide easy access to commonly used functions
• Media keys for music and video control
• Design is suitable for use with either hand
• Optical Technology 1000 dpi provides responsive cursor control
• Snap-in transceiver stows conveniently under the mouse