[CyberFonic]

Along those lines the recent ChromeBooks are also worth consideration. You can even run full Linux using Crouton if you are willing to make a small compromise on the highest levels of security.

I have tried using tablets and BT keyboards, it works well, but I prefer the all in one form factor of a simple notebook. BTW the Lenovo tablets with the flip out stand are terrific on the desk and to hold. That rounded battery compartment makes it feel like a spiral bound book when using it with Kindle.