We need a site/script like [url removed, login to view] with ALL its features and some little extras.
We would need to can create main categories and some subcategories in some of the main categories, this could be placed in the right side of the site like a tag cloud or a normal menu.
The site would have to have a very good admin panel where admin all the content, users, categories, comments, ...
About the design you would not to do the design, we will send you the design to adapt it to the script.
Please post your last works to take a look and where are you from.