The keyboards on Thinkpads (laptop). You can buy standalone ones from lenovo although I've heard that they're not quite the same as the the ones on the laptops.

The keyboards on Thinkpads (laptop). You can buy standalone ones from lenovo although I've heard that they're not quite the same as the the ones on the laptops. I love them so much I've been tempted to try and buy a replacement one and build a converter so I can use it standalone.