Here's another cheap idea: Get a Raspberry Pi Zero ($10-$15), connect it to an old monitor, and use it as an Emacs-only machine, in the framebuffer, no X requir

Here's another cheap idea: Get a Raspberry Pi Zero ($10-$15), connect it to an old monitor, and use it as an Emacs-only machine, in the framebuffer, no X required. You get all the features of Emacs (magit! org-mode!), none of the distractions. Of course, this wouldn't be portable, but a typewriter isn't either.