Originally Posted by
Rocketbear
Offspec items (I as a raider have multiple dps setups and tanking setups, they might have the same kind of gear as the usual, but are reforged/gemmed differently. For example, as tank i'd have an avoidance kit and a health kit. Usually i have a mix of the two on.), then you have Heirlooms from Dalaran vendors and space wasting T10. And since some of the green quality cataclysm gems are ridiculously overpriced, you might think it is worth to get epic wrath gems for your alt.
Bare in mind that blizzard might allow Chaos Orbs be bought from justice points in the near future.