Same here .... design extender installed after about an hour. Five hours later I still don't have databridge and eCart installed. MAC OSX 10.8.4
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.