A customized WebAssist eCart solution should work for your needs. There's nothing out of the box but a shopping cart can certainly be developed that would allow for what you're looking to accomplish.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.