Price performance is extremely good.

The ACER C720P is an extremely good notebook as a supplement. Completely on my Mac, I could not live without it, because I work a lot and Scan the images accordingly.
For all other applications (Internet, music, movies) that Acer is but perfect. In conjunction with the Chromecast can also be the TV as a huge display, or for playing movies or music use.
If you look on Google and the product range is offered admits (Drive, Play Movie, Play Music, Documents, ...) you get here a huge range at an extremely fair price.
But you have to respect the restrictions. Without an Internet connection can use the Chromebook is very limited. 16GB storage is not much, but the 115GB Speicherin Google Drive are really great because you can also access his tablet or mobile phone to the data.
I have my internal memory expanded by Transcend M.2 SSD 128GB on what has indeed tasted the guarantee, but in offline mode provides the ability to provide more information.
I am extremely pleased with the Chromebook after 2 months and have not regretted buying a second.