amazing classes:
freelancer (once you max all other jobs)
performer
spiritmaster
templar
vampire
dark knight
pretty good classes:
monk
knight
ninja
okay classes until you get something better:
white mage (outclassed by spiritmaster)
ranger
valkyrie
salve-maker (also outclassed by spiritmaster)
meh classes:
black mage
red mage
pirate
swordmaster
arcanist
only useful for abilities:
thief
merchant
time mage
comjurer
lame:
spell fencer
summoner