A new free tool from Microsoft called “Expression Web SuperPreview ” is now available:
Expression Web SuperPreview for Internet Explorer speeds the essential task of debugging your web sites for cross-browser compatibility…..
Expression Web SuperPreview for Internet Explorer is a stand-alone visual debugging tool that makes it faster and easier to migrate your sites from Internet Explorer 6 to Internet Explorer 7 or 8…..
Expression Web SuperPreview for Internet Explorer shows your web pages rendered in Internet Explorer 6 and either Internet Explorer 7 or Internet Explorer 8, depending on which version you have installed on your machine. You can view the pages side by side or as an onion-skin overlay and use rulers, guides and zoom/pan tools to precisely identify differences in layout. You can even compare your page comp to how the targeted browsers render the page….
Expression Web SuperPreview for Internet Explorer is a standalone, free application with no expiration and no technical support from Microsoft.