Dreamweaver may run slow while the site is importing, that is normal. Depending on the size of the site it, it may take some time for the import to complete.
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.