I do believe I dated all the builds.
Submitted version is September 6, 2006
November 21, 2006
January 2, 2007 build
January 31, 2007
February 1, 2007 (This one and the one above is the most content rich)
April 27, 2007 (The Combat and Quest demo. Much more polished. Like meant for a demonstration of some kind, whether that is e3 or internally, I dont know)