Google have now made Google Sites available to anyone, which is very exciting. From the Official Google Blog:
A few months ago we launched Google Sites exclusively as part of Google Apps for companies and organizations that wanted to use the service on their own domains. Now we've made it easy for anyone to set up a website to share all types of information -- team projects, company intranets, community groups, classrooms, clubs, family updates, you name it -- in one place, for a few people, a group or the world. You can securely host your own website at http://sites.google.com/[your-website] and add as many pages as you like for free:
I've already set up my first site and invited my fellow bloggers so we can evaluate how it performs as collaboration tool. It is certainly easy to set up a site.
This is a smart move by Google, to let the users drive the adoption of Google Sites as collaboration tool and eventually bring it to their workplaces if they like it. But maybe that is just the way I would think if I was in the driving seat at Google.