ChromeOS devices are great in loads of ways, but they have built-in obsolescence. Google will stop providing updates at a predetermined time according to the schedule you can find here . So the best you will achieve is 6.5 year if you buy the device on the launch day . In reality, it will be generally much less. It's something to watch as a good deal might not be such a good deal if the device only has two years left. Once a device reaches its "due" date, you get a red pop up telling you its time to update every time you log in. The update section tells you there are no more updates. Now the device will work fine - for a while. You might get another 6 months use out of it before core services like Gmail stop working. However, if you are prepared to do a little work, you can install the OS of your choice onto the device and carry on using the device and not accept this. If you want ChromeOS, then you can install Cloudready from Neverware. I'll outline the basic steps...