Check out our new Artificial Culture project web pages:
These have been built using Google Sites. A remarkably straightforward way to create both the structure and content for a set of web pages, without HTML coding (actually I did have to tweak the code a couple of times). Integration with other Google applications means, for instance, that creating a slide show of images needs you only to upload the images to a Picasa album, then insert the slideshow gadget and point to the Picasa URL. Add another image to the album and it automatically appears in your web site slide show.
There is one limitation: while invited collaborators can sign-in and add comments - in blog fashion - to existing posts (as well as create and edit new pages), ordinary visitors to the web site cannot. Given that blog functionality is clearly built into the sites technology, it ought to be straightforward to provide an option to allow comments to be submitted, to selected pages, by non signed-in visitors. Or a blog gadget. Google..?