Total Posts: 1395
When you install the system you then have the ability to create additional user accounts, these user accounts can be limited to certain actions, i.e. posting in certain categories, limiting which sections within the admin area the user can access.
The system gets included into your current design via php includes and you manage how the news gets displayed on your site via the built in template system so you can indeed make it look exactly how it appears on your current mockup.
My script is designed for users to include into an already existing design, with wordpress you generally design around it so they are entirely different and have different uses.