Gizmodo: "It's hard to totally disprove these first Chrome OS shots, though there are plenty of reasons to be suspect. Setting our skepticism aside for a second, here's what alleged leakster allegedly saw, allegedly:
As an employee of a parts supplier for Acer, one of Google partners for Chrome OS (true!), he was privy to a brief demonstration of a Private Developer Beta. They showed a full installation, which took about 10 minutes. After installation was done, desktop to desktop reboot took about 25 seconds."