For some reason I cannot really point to, I like the Mini Machine http://www.zerocat.org/projects/zerocat-mini-machine/doc/index.html by Zerocat. An OpenHardware project to create a
Zerocat hat geschrieben:
trustworthy, lean, laptop-alike mini machine of a free-design, even down to chip level, easily inspectable, verifyable
and currently exists as a prototype. On the one hand it looks like fallen out of our time, on the other hand I like the simplicity of the design.