Personally, I want to know more about the account bound I've only heard a few things about.
I love WoW, but after a while one character can be boring, or frustrating considering how much everything constantly changes. I played a priest for the longest time, but I truly wanted a warrior. However being a self-admitted
Achievement/Reputation/Pet/Mount/And random novelty items-whore changing or even playing a alt for a while is... well... empty.
Will Blizz considering making some things that are a lengthy bit of work, such as a achievement,title or mount, account bound?
I honestly think this would increase players interests and maybe bring some old ones back.