Status update: Reddit user redditgoogle has messaged me with a file directory of FHA Vita:
http://pastebin.com/BaSm1qJk
This means we know what file formats we'll be needing to crack to access the actual content. I have noticed two instances of the cpk extension, that's good for me since I already have a Quick BMS script that can get through that, however most of the content seems to be stored in mrg files, so that's why I'm posting this directory here. Anyone who happens to be familiar with these file formats from other projects, if you have any scripts that can extract the content, please let me know, I'll be getting "top men" to examine them, however I appreciate any help I can get since the person I'm looking to contact might not even respond.
Update: I seem to have a python script designed to deal with the hed nam mrg format, so hopefully that works.