I'm building a site for a Scout troop. One of things I needed was for registered authors to be able to attach files to their articles - this is to publish programs and news letters etc. This is perfect, it is easy to install, easy to use and most important - works. Because the files are attached to an article only people who are allowed to see an article can see the attachment. No seperate management. No tricky categories. Kids understand it. Designated admins can review the attachment before they're published. Excellent.