So I was thoroughly stunned when I found this
http://www.insanedifficulty.com/boar...xeno-archives/

Been looking for hacks/mods of these games forever and never found a one. But this guy, the man responsible for the excellent FFVIII Requiem, modded Xenogears and the entire Xenosaga Trilogy.

Still have to get around to playing these, though. It was just a very pleasant surprise.