If you're comfortable with Google services and doing everything in its cloud, or if you're doing it anyway, these devices are cheap enough, starting at , and due to their light Ubuntu-derived OS boot right away and run acceptably fast. They have a six-hour battery life. From an updates and security perspective, they're virtually maintenance-free.
If you lose one or it breaks, you just move on to a new one. All your stuff is in the cloud.
I'm pitching them to my company. Very soon now, we'll be able to do just about everything we do with a Chromebook. It's cheaper than an iPad, way more usable for things like writing, and the tight integration with Google is a win for those already committed to the search giant's services.