Lets list off promotions/eras/performers that we don't know a lot about but are interested in, and if you see something you're interested in help that person out with some suggestions.
I'll start:
Post Misawa NOAH.
Muta's All Japan.
pre 90s New Japan.
Anything booked by Eddie Gilbert.
80s Lucha.
90s Lucha thats not just the guys who were in WCW.