"The new company, Activision Blizzard, is expected to have approximately $3.8 billion in pro forma combined calendar 2007 revenues and the highest operating margins of any major third-party video game publisher."
Free Preview - WSJ.com
Yea, pretty big boost for Vivendi. you can also check out a little FAQ on teh WoW forums.
WoW Forums -> Activision Blizzard FAQ