Internet Explorer 9 is now live

Question

Today was my first day familiarizing myself with Internet Explorer 9.  Although I have used Chrome and Firefox, I found myself most often using Internet Explorer.  Considering how often I use IE8, I've been anticipating the changes that IE chief Dean Hachamovitch mentioned during his IE9 launch keynote speech at SXSW on March 14.  He had talked about the increased HTML5 standards compliance, the improvements around security and privacy and the speed of IE 9.  What do you think about Microsoft's newest browser, Internet Explorer 9?