Bravo! Looks really promising!
Love your approach.

I think this will be a great help for site Administrators and Authors, who don't are "computer geeks" but want to administer the site.

Probably, the site building will mostly be done by a web designer, and the authors will be their clients.
Therefore, I concentrated a little more on administer content.

Things I would love to see:
- Drag and drop navigation items (to manually reorder page hirarchy)
- Add Navigation Item Buttons right in the Navigation
- Drag and drop Views outputs (could can be used to: to manually reorder reorder articles in a list )
- Drag and Drop CCK outputs (to manually reorder images in a slide show etc.)

All the above, is already working. But this would be cool, if people can do the above, without having to hit a "edit" button. But can do it right on the "normal" site output.

See this module:
http://drupal.org/project/draggableviews
Thats how a navigation block should look like.
Or the Menu settings in node edit.

That would be a tremendous step forward and easy to understand for low-computer-skills site admins.

For some inspiration, have a look at this cms called Magnolia. It has some great usability features.

(Templates are also easy to customize, as drupal. But I am not using it because its outrageously expansive, server requirements are too high, and the core is complex (to me) to edit)

Thank you for your efforts. Your doing really great stuff!
And drupal will be even more cooler and easy to handle as it already is!

Cheers