Thanks to ^Drag0n^ for sending along a summary of the current state of the coded message from Deus Ex: Human Revolution, and apologies to those who helped suss this out if they have not received due credit (I'm guessing gaming.reddit had a hand in it). From the look and sound of things, we won't really know what this is all about until Sunday:

The background image on http://www.13311tower.com has GPS coordinates in its header. If you use Google maps to locate the coordinates, they lead to Ayers Rock.

Ayers Rock is also known as "Uluru".

The Morse code is "11m13clinic".

Using "uluru" / "11m13clinic" as the L/P when clicking on the illuminati all seeing eye in at 13311tower.com yields this image:

http://img109.imageshack.us/img109/1378/3crsbcjcie.jpg