Microsoft recently released a public beta of their web editing software Expression Web.  It’s got a bunch of new features that are  for some advanced editing.Read More Below...

A few of the notable updates are

• PHP – Intellesense support of PHP and Preview
• Byte order mark options – Fix the BOM problem.
• Silverlight 1.0 – Enhanced support for Silverlight Files.
• Flash and Windows Media – Enhanced support and preview
• Photoshop Import – Include .psd files directly EW will convert to png, jpg or gif.
• ASP.NET AJAX -Use AJAX controls on web pages.
• Custom ASP.NET control – Use custom ASP.NET controls on your website.
• ASP.NET data controls – Datapager and List view controls are available.
• FTP publishing – More control over FTP settings such as passive/active and user name and password.
• CSS – Some rendering problems have been fixed in addition to better compatibility reports.
• HTML file extension – Set the default extension for files.  (e.g. htm or html)
• Alphabetized HTML attributes – Option when inserting or Reformating html to sort html attributes.

For more info check out the Expression Web 2 Beta page.