Neil Beadle might have something to add, as far as recent or planned documentation, but in the meantime, I found a thread that may help you a bit:
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.