Overall I'd have to say the GBA's translation is the best, although like Avarice mentioned, there are some parts that are better or worse in the SNES or GBA versions.
SNES/PSX
GBA
RPGOne
Other
Overall I'd have to say the GBA's translation is the best, although like Avarice mentioned, there are some parts that are better or worse in the SNES or GBA versions.