Led Zeppelin's clock is counting down. But to what?

The release of the 2007 reunion concert to DVD?
Looks like it. And it also looks like Thursday is the day the announcement will be made.  No details on who will make it or where or when!

Then again, could it be a one off show? After all, Thursday is the anniversary of the announcement of the 2007 reunion show.  Hmmmm.

Meanwhile we watch the Facebook page and wait.........................