I don't need to re-read your first post, but I did anyway. You actually said....paper based rigid products. But when I look at the machines you told me to.... there isn't a one doing what you said. My comeback to that was simple.... even if this machine is coming out in October..... what kind of market do you think you're going to find in the sign industry ?? There's very little use for 10's of thousands of anything on such cheap material. Even if you make it for window signs and franchise restaurants or fast food places..... and you make them by the 100's.... you'll sell yourself out of a market in no time.
The sign industry isn't based on thousands of much of anything except some niche markets. However, they're never gonna pay for that machine or even the electric to run it, let alone the guy that has to feed this stuff in, unless you buy another expensive machine and have it robotically fed.
I know you came here looking for suggestions, but I don't think anyone can make a suggestion based on nothing they can see or touch. It's kinda like going into a shoe store and asking if any of the salespeople or customers want to buy tropical fish form Jupiter. Well, maybe..... what do they look like and what kind of food do they eat ?? Are they bigger than a breadbox ??