Thanks to Lifehacker and @Tweakt. You can download he Chrome OS torent. Mount the image in your favoritevitualization aplication:

• Make a virtual machine with VMPlayer.... Put as hard disk image (.vmdk), which you downloaded from torren.
• I always recommend VirtualBox. Just create a virtual hard disk with the vmdk file, and build a linux machine with it.

Login as mark, with no password. Then you can login to your gmail account, and play cool. The system seems very simple (like a notebook linux), and oriented to be web applications client only. See the following snapshot of the system: