After release of stable version of IE9, Microsoft is working on next version of Internet Explorer, IE 10
Microsoft has released IE10 platform preview version on MIX11 conference. You can download Internet Explorer 10 Platform Preview 1 (IE10 PP1), and test it. Download is available at Microsoft IE test drive website.
There are few things which IE 9 still lacks and I will love to see those features in IE 10, Like: