Really? I've never understood why the GBA version isn't considered superior to the original.
Because it's laggy as heck, which causes the active battle system to be a bit broken. The EUR version is a little better than the USA one, but still pretty bad, especially compared to the silky-smooth SNES version.
I really don't mind the original translation, especially after reading Tomato's writeup on it...but yeah, that one's a little more difficult to play on the go, and the extra content is kind of neat.