This is the software publisher's description.

Microsoft Expression Web gives you all the powerful tools you'll need to produce high-quality, standards-based Web sites the way you want them. Take advantage of the best of dynamic Web site design, enabling you to design, develop, and maintain exceptional standards-based Web sites.

Expression Web is a professional design tool that helps you create and work with Standards-based Web sites, Sophisticated CSS-based layouts, Extensive CSS formatting and management, Rich data presentation, and Powerful ASP.NET 2.0-based technology.

Generate elegant, modern CSS page layouts using powerful design surface tools with direct manipulation of positioning, sizing, margins, and padding. Use the Style Application and Positioning toolbars for precise control over how and where CSS styles are generated, and the Style Builder for comprehensive style design and efficient style editing.

Note that this is the final release version of Microsoft Expression Web v2.