I've been following the market share of Internet Explorer 8 in hopes that it would take off an people would get off of IE6 and IE7. In April 2009, IE8 doubled it's market share, and then some.

It looks like most of the converts came from IE6 and IE7. Firefox 3 picked up almost a half a percent, but it looks like Chrome only picked up a fifth of a percent.

Web Browser Market Share Trend
http://marketshare.hitslink.com/browser-market-share.aspx?qprid=1