> One could of course just take a blanket view that everything on the > site is, as of a certain moment, licensed under GPLv3 (note you > don't have to change file headers to achieve this, the file headers > have no particular legal significance in any case).
Given the July 31 "deadline", that's essentially what's being done: any file with a date before August 1, 2007 is GPLv2 and any after is GPLv3. This is one of the reasons why I don't see the version number change as so significant.