Square Enix just announced the release date for the Kingdom Hearts: Birth By Sleep Final Mix. It is scheduled for release in Japan on January 20, 2011.
The “Final Mix” version includes all the English voice, and more… below are the full list of things that will be included.
# Full English Voices
# Secret Episode (new map)
# Sticker Album
# Command Board “Skull Board” (Peter Pan)
# D-Link “Pete”
# Boss Battle (multiple)
# Song for Mini Game Rhythmic Ice