And it even had my answer (circa 2015):

While all of this sounds like a crazy amount of effort to go through, PRIMA is apparently popular as hell. The movies reportedly look good, though they’re not 4K yet, and they can’t make them fast enough—there’s a waiting list to score one of these bad boys. Then again, if I had unlimited financial resources, like more money than I knew what to do with, I would probably get in line.