After using this keyboard at home for a month, I talked my boss into getting the company buy one for me at work. Since, I have had no problems with my wrists or hands hurting. I am very impressed with the Microsoft Natural Ergonomic Keyboard 4000. In fact, many co-workers also wanted the keyboard.

Padded wrist wrest; Great ergonomic design; Programmable keys

Keys are soft; touch typists might not like

The wrist rest is literally built onto the keyboard and is not removable, but there's nothing to complain about it. Why? Its Leatherette cushioning is friggin' comfortable, by far the best wrist rest I've laid palms on.

How ergonomic do you want to be? Microsoft 's newest PC/Mac keyboard gives the company four different variations of the familiar QWERTY layout, from classically flat to roller-coaster curved. It's the weirdest-looking, but promises to be the most comfortable, of them all.

Microsoft is the only hardware company still engineering new ergonomic keyboard designs, but that doesn't mean they've gotten lazy. Their new Natural Ergonomic Keyboard 4000 is the most comfortable computer input device I have ever used.

This keyboard was definitely designed around ergonomic ideals. Microsoft has taken a well-tested split "Natural" keyboard design and ergonomically improved it even more for the heavy user in mind.

"Natural" Design; Ergonomic Improvements; Updated; Sleek Style

Wired; Not Bluetooth

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

Split keys: you either love them or hate them. The ergonomic design, built to reduce RSI and enhance your comfort, can take some time to get used to, but after going through a month of irritation relearning to type, a lot of people never go back from Microsoft's Natural Ergonomic Keyboard 4000.

Between school and this website, I've been finding myself typing more and more recently. So under the guise of ‘health and safety', I decided it was time to ditch the regular keyboard and spring for an ergonomic one.

This keyboard seems to keep going up in price, but periodically goes on sale. Wait for a discount and get one. I have 2 and haven't had any problems with the space bar. One con is that I found out that this USB keyboard is not compatible with a PS/2 adapter, which now makes my KVM switch useless.

comfortable and sleek

USB not compatible with PS/2

An excellent product with awesome value. I have one at home and work and cannot recommend it enough.

I have this keyboard at work and it is just great; I like the spacing in the keyboard which forces me to use both my hands while typing; Multimedia keys for mute and launching programs are an added bonus; This is a wired version.

None