http://www.zdnet.com/article/diy-linux-laptop-build-your-own-for-240-with-fully-open-source-olimex-teres-i/
At the main site,
https://www.olimex.com/Products/DIY-Laptop/
Now that is what I think is a great idea. You can configure the pc to suit yourself. You can replace every bit if they fail. You can upgrade parts of the pc to suit your changing needs.
It will be interesting to see what different parts they will offer when they get underway and how much they will cost.
The company has links to CERN.
https://home.cern/about/updates/2015/02/kicad-software-gets-cern-treatment