Being beta, you won’t be able to use apps like GMail, but you will be able to take advantage of the speed and stability of the browser. Quoting Brian on Chrome blog Check out this video demo released by Google Chrome team
Download Google Chrome for Mac
This version does not include extensions, bookmark sync, bookmark manager, and cookie manager. Future versions will fill in all the gaps. Download Google Chrome Mac beta
Download Google Chrome for Linux
The same holds good for Linux version of Google Chrome beta, with emphasis on speed and performance.
Download Google Chrome Linux beta
