Quote Originally Posted by KamikazeMan View Post
Rewards will probably change depending on the class you complete quests as. For example, if you finish a level 35 that rewards a weapon, completing the quest as a Black Mage will reward you with a BLM staff; if you were to finish that same quest as a Bard, you would get a bow. That's just a guess.
Should be able to choose the reward that you want from those kinds of quests (all the weapons are same level and have decent stats). Unless the reward is specifically tied to the story of that quest.