I recently got a Kinesis Advantage which I'm not yet fully confortable with but I'm getting there. I'll probably explain the pros and cons I found in it in a future post.
Lately, more and more programmers I know started caring about their keyboards. Some prefer the mechanical IBM M, or newer thinkpad keyboards (with trackpad).
In ratpoison's wiki there's a gallery of lots of strange keyboards that ratpoison users have. But today I saw a keyboad gallery that made me really shit bricks.
If you're also a keyboard fan, check it out!