My idea for Cataclysm is similar to something someone suggested earlier on in the thread: Our "nuke without a cooldown" should have the majority of it's damage based on how many dots are rolling on the target (15/30/45% increases ?). That said I don't think making it a mana sink is a very good idea. It's probably just me, but I want to see mind flay completely removed from our PvE rotations and make it a purely PvP spell - simply due to the fact that it still receives a snare penalty on it's damage. Give us this "nuke without a cooldown" to have as our filler spell, replace the cooldown on improved mind blast with "increases the damage of mind blast by x%", and give mind blast some sort of functionality that makes it worth using over the new nuke whenever it's off cooldown - a haunt mechanic would be nice, but unoriginal. Similarly a backdraft mechanic (reduces the cast time of your next 3 spells by x) whenever it hits would also be nice.