The 4000 is by far my favorite keyboard and I also have a small stockpile. Over the years I've tried dozens of alternatives and never found anything with the appropriate wrist/hand angle. Everything about it is perfect for me.
If I were wealthy I'd try having one commissioned. I'm sort of terrified that one day I'll be forced to use something else.
I tried many of the adjustable modern split keyboards that come in two halves (and are missing 10-key) but absolutely despise having half of my keyboard move around. The trend of keyboards cut in half doesn't make any sense to me. I never look at the thing and I expect every key to be exactly where I left it.
If I were wealthy I'd try having one commissioned. I'm sort of terrified that one day I'll be forced to use something else.
I tried many of the adjustable modern split keyboards that come in two halves (and are missing 10-key) but absolutely despise having half of my keyboard move around. The trend of keyboards cut in half doesn't make any sense to me. I never look at the thing and I expect every key to be exactly where I left it.