Probably one of the biggest change that is going to happen when the Cataclysm expansion comes out is the implementation of the Mastery Stat System.
For those who have been stuck in-game and have not even browsed the internet about the upcoming expansion, Blizzard is bringing in the Mastery System, a set of new game mechanics [...]

It’s the time of the WoW year when everything seems to be slowing down. This usually happens when a new expansion is about to come out.  I’m guessing that Cataclysm will be coming out around December (this year) or January (next year, duh). I noticed those were the months when expansions usually get released.
By this [...]