You will get farther faster if you aoe grind mobs for questrs.. quests are where the program really shines.. on kills you get 3x xp for the kill, but it is then divided between the two players.. Still way better than not getting it, but with quests you get FULL 3x XP.. so stock up on those Kill X mobs quests and go for it!!

I have literally turned in 4 quets and went from 5% into a level to ding on instance quests like ZF wiht the RAF program..