Microsoft announced about IE 10 Platform Preview 1 on the first day of MIX and made it available for download.
"IE 10 Platform Preview 1 is the first step in delivering the next wave of progress in native HTML5 support. Web sites and HTML5 run best when they run natively, on a browser optimized for the operating system on your device." says Microsoft.
This video demonstrates some of the new features of IE 10 and a sample on 'flow of content in multi-column layouts'.
For more details, read article on IE Blog!
Also have a look at www.ietestdrive.com and www.beautyoftheweb.com for more examples of standards-based web technologies that deliver on the promise of standards.