Oh well yeah, with Arcane it's more like 50% power due to Mana/Mastery.
This ENTIRE expansion can be summed up to the following: "Why be a Mage when you can be a Warlock and just be better in every situation?"
While the L90 talents definitely didn't help, they weren't the only cause, but now we're getting a bit off-topic and I'd hate to be the reason why Swizzle has to do work >_>; *Wishes to avoid the wrath of exploding cupcakes*