First off macs get viruses too. They don't get the same viruses as windows, but they still do.
Second if you ever bother to go to the chrome Web store, you will find that they have tons of games and productivity web apps. Anything from angry birds to remote desktop connection.
Third, even though you have low storage, you get 2tb of cloud storage from Google drive.
Fourth, even though you can use Microsoft's basic office, you can also use Google's version called Google docs. Everything from word,excel, and PowerPoint which are not basic.
I am a rep and I visit best buy just about every weekend. And there have been no chrome books for months. As soon as they get some they sell out including the display.
It is a great 2nd computer, unless your using cad or after effects or Photoshop, you will be gap with this.