Amazon.com: Ergonomic Left Handed Keyboard for Business/Accounting - 8 Multimedia Hotkeys - Eliminates RSI and Carpal Tunnel - Patented Natural_A Keycaps to Reduce Back and Shoulder Strain to Improve Posture : Electronics
Anti-RSI Health Keyboard, KBS-8, PS/2 Win98/ME/2K/NT/XP (discontinued by manufac 4711421617529 | eBay
Ergonomic keyboard or Snake oil? at Commonsense Design