/random "You rolled __."

[Alkoun]

I'll be sure to change my weapon appropriately so I can lot on everything. That will be so much better than random drops.

I see your point.
Doesn't the game lock you into your class/job once you are in active mode (no class/job switching mid-fight), until the end of the battle (rather, once you're in passive mode)? How about.... the game locks you into active mode (so you can't go into passive and thus switch classes/jobs) once an encounter begins? After the fight, you can switch freely, but the game only allows you to roll on a piece of gear that pertains to the class/job you were locked into during that particular fight.