Scorpion Pincers seems to have been nerfed recently. It appeared to be giving a good amount of exp (references to giving half of a yellow at 5, and people going from 4 to 6 in under 2 hrs).
http://everquest.allakhazam.com/db/quest.html?quest=261
It is currently giving less than a blue to a lvl 3, and less than that to higher levels.