I will not be surprised if tyrande and malfurion owns us in cataclysm the owner of druid "pwnage" and a imba priest got something too say about the neverending struggle that is azeroth. thrall will be a advisor, jaina will own. (the most powerfull sorcerer in azeroth), cairne will be the leader of hope, sylvanas windrunner will pwn the lich king with jaina in wotlk i think. bolvar will never succumb too the lich king. he will be a leader in some way.(or the guy from the Q where adal saves the guy) he will maybe be the lich king.
but.one thing is sure. the most OP drood will have a important role in cataclysm:P