Dreamweaver is brilliant, provided you don't rely on it's WYSIWYG capabilties. It's quite useful for creating complient code, because of it's inbuilt checks, and it's got tons of timesaving tools and features. Latest version is really worth checking out.
If we brush FrontPage aside, since you'd have to be mad to use that to create a site that could even look semi-professional, Microsoft's Expression Web / Sharepoint Designer is quite nice, again not for it's WYSIWYG capabilities though. I had trouble editing PHP pages with it though. When I moved the files over to my *nix server, I had a few weird characters preceding the page. Probably something to do with encoding.
Demos are available for both.
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