An Early Look at IE10

Three whole weeks of development! :) Although, as Marc points out it is still very proactive that they are shedding their old, slow development cycle.

“We’re about three weeks into development of IE10, and based on the progress we’ve made, we want to start engaging the development community now.”

http://blogs.msdn.com/b/ie/archive/2011/04/12/native-html5-first-ie10-platform-preview-available-for-download.aspx