Thinknext posted some information on the latest Windows 7 build

Yes, new post about latest Windows 7 M3 Build 6780. Background: I’ve reported priori Windows 7 versions before.

Start Menu: the visual design of search box and shutdown/lock buttons are changed. The right panel is simplified.

Windows 7 M3 Build 6780: Pictures and Videos(soon)
Windows 7 Videos: Start Button and Calculator