I am a writer, and one of the best tools I own is my dependable Chromebook. Yes, I prefer a desk sometimes, and I have to use my smartphone at other times. However, I find myself using my Chromebook more than any other device. It's simple, light, rugged, and useful.
Making it even better is my Cranium case.
If you want to learn more about the Cranium and other available cases and covers, take a look at http://www.chromebookcovers.com/