Windows Internet Explorer 8 RC 1 now available!

The IE8 Release Candidate is now available for public download (since Jan 26, 2009).http://msdn.microsoft.com/en-ca/ie/default.aspx

There is a document which may be you can find answer to many of your questions, specially for developer, to download IE8 RC1 technology overview for developers go here and also take a look at IEBlog.
As Microsoft announced, there are many new features in this release around Reliability, Performance, Compatibility and Security. Let's see how does it work?

Windows Internet Explorer 8 RC 1 now available!