Buy.com has a Microsoft 4000 Win32 USB port natural ergonomic keyboard for $43.14 with Free Shipping.
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- If you don’t have an aversion to split keyboards, the Microsoft Natural Ergonomic Keyboard 4000 can help you keep RSI therapy off your list of things to do this year. This newest addition to the best selling line of ergonomic keyboards makes day-to-day tasks easier with a more natural wrist alignment. You’ll type in a more natural position, since after all you spend much of yoiur day in front of your computer