I'm using a Samsung ChromeBook with Crouton - it's Ok. The keyboard is reasonably good. But the touchpad is not even close to that on the old MacBook Pros.
Unless you are really looking for the lowest cost possible, I would suggest that a more mainstream notebook will be give you a better experience.
Unless you are really looking for the lowest cost possible, I would suggest that a more mainstream notebook will be give you a better experience.