"Something a little extra for those who already pre-ordered before September 18th."

So, lets speculate on what this will be, I've been strangely and vastly curios on this.

http://www.joystiq.com/2012/09/14/baldurs-gate-enhanced-edition-pushed-to-nov-30/

"Oster asks for patience from fans, promising "something a little extra" is in the works for those who have already pre-ordered."