You could try Firebug lite (getfirebug.com). That will allow you to inspect the elements on the page and change things on the fly. But with IE for the most part its going to be tweaking the code and giving it a try in IE.
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.