Avoid "Fansubs" if you want accuracy. The official BD9 release includes PGS (Blu-ray bitmap) subtitles. For the edition, the English subtitles correctly translate the new Japanese dialogue regarding "Geostigma" and the "Lifestream," which many older fan translations got wrong.

The most interesting feature of the Final Fantasy VII: Advent Children Complete release is the addition of 26 minutes of new and expanded footage