Internet Explorer 9
From BetaArchive Wiki
Windows Internet Explorer 9 is the upcoming version of the Internet Explorer web browser from Microsoft. It is currently in development, but three developer previews have been released.
Release History
Internet Explorer Platform Preview 1 1.9.7745.6019 was released on 2010-03-16.
Internet Explorer Platform Preview 2 1.9.7766.6000 was released on 2010-05-05.
Internet Explorer Platform Preview 3 1.9.7874.6000 was released on 2010-06-23.
Internet Explorer 9 Public Beta will be released at August 2010.