Here's a neat trick for all the mages.
At Isle of Quel'Danas ( the implemented zone at 2.4 ) there are mobs called Dawnblade Summoner's wandering around.
Who has a buff similar to warlocks Fel Armor, but with 225 +spelldmg instead of the regular 100.
So, spellsteal and we're done.
Over and out.