I am continually baffled by how keyboard enthusiasts almost never have ergonomic layouts. If you care this much about typing, surely the first thing you do is get an ergo layout. The rectangle layout is really bad, people! How can you spend this much time and energy and money on keyboards, and keep using the awful rectangle layout?
I got a Unicomp model M with a trackball at the top right corner of the case and rubber dome keycaps (so I can use it at the office without annoying all my neighbors) and it's currently the longest running keyboard I've comfortably been able to use, for more than 7 years now. I had to use a gold touch 'tented' split keyboard for half a year when I was dealing with some sport induced wrist and hand issues, but otherwi…
I like the magic keyboard because it requires little effort to actuate the key and makes it easy to switch up my working position as it is so similar to the laptop keyboard.
I wish Apple would offer a combined keyboard and trackpad for desktop use that was the same as their laptops. I find being able to switch hands on the trackpad reduces strain.