Best Keyboards for Emacs
Here's what i consider the best keyboards for emacs.
Also, i highly recommend a linear light switch, at 35g force of activation to 45g. Especially if you have hand pain. Get used to the light touch. It saves your coding life.
If you get the Ultimate Hacking, be sure to also get a key macro pad. See Programable Keypad
Other Best Keyboards for Emacs
Efficient Keybinding for Emacs
Also, very important is to get a efficient keybinding for emacs.
also, i recommend Sticky Keys