Well, after giving up on my broken Neo Turf Masters cartridge I have begun the hunt for a new one. Turns out a guy who lives a zip code away has one he doesn't want anymore, so as soon as I drive out to his place it will be mine.
I'm also picking up a copy of Strikers 1945 and possibly a Ninja Master's or Blazing Star cartridge too. But those are coming from other people. I'll post pics and possibly video if I'm feeling crazy when those get here. It'd be a good opportunity to go over my homemade MVS console.