Icy Blizzard Teaser Image Heats Up Diablo 3 Announcement Rumors (Updated)

Update: The Blizzard.com splash image has been changed, with few new developments. The number/letter theory has been ruled out, as the new puzzle piece is numbered 23, which does not correspond to a letter in the word "Diablo." I've uploaded my own stab at the up-to-date puzzle, which you can view...