Microsoft Expression Studio 4 Web Professional

A quick look: Expression Studio 4 Web Professional is a web design tool and HTML editor.

Microsoft Expression Studio 4 Web Professional gives you the tools you need to produce high-quality, standards-based Web sites, with built-in support for today’s Web standards, sophisticated CSS design capabilities, and visual diagnostic tools. Whether you work with PHP, HTML/XHTML, CSS, JavaScript, ASP.NET or ASP.NET AJAX, Expression Web makes it fast to create and maintain exceptional Web sites. With a professional code editor, visual & CSS diagnostic tools, cross-browser debugging features, broad Web standards support, and SEO compatibility reports, Expression Studio 4 Web Professional makes it easy to create modern standards-based Web sites. Microsoft Expression Studio 4 Web Professional also includes Expression Encoder 4 and Expression Design 4.