Any information on bonus items for members would be displayed here, possibly a page with links to various items, each item can have its own unique page if required.

 This page would also explain that to gain access to the linked pages they need to become a subscriber.  The links to the various bonus items would be graphical images to intice them.

This page is viewable by any visitor to the site but only subscribed membersa have access to the links within this page.