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:
			
 In order to show you the VirtualBox potential, and make easy the migration to Ubuntu for the users of XP, who want to use it from Ubuntu. We are going to see how you can virtualize an made XP partition from Ubuntu 8.04 suing VirtualBox.