"If a report from Chinese tech blog win8china.com is to be believed--and they've been pretty accurate so far--the Release Candidate (RC) version of Windows 8 will feature a tweaked Explorer user interface that somewhat matches the flat UI that pervades the Metro interface."
Source and screenshots: http://www.winsupersite.com/content...topic/windows-8-rc-flatter-explorer-ui-142728
Source and screenshots: http://www.winsupersite.com/content...topic/windows-8-rc-flatter-explorer-ui-142728