The Microsoft Natural Ergonomic Keyboard 4000 can help you keep RSI therapy off your list of things to do this year. The split keys and the angled keyboard keep your wrists in a more natural and comfortable position, and the dedicated (and programmable) buttons reduce the amount of mousing you do
Ergonomic design leads to wrist comfort; Enhanced function keys for common shortcuts; Five programmable favourites keys; Dedicated back/forward keys for Web surfing
Takes up a lot of desktop space; Isn't compatible with PS2 adapters