The long awaited Masterpiece, Skyfire, has now been released in Japan this week, and some in-hand images have been posted up already...
https://news.tfw2005.com/2023/01/28/...-images-474118

The box looks to be a fair bit bigger than MP-44 Optimus version 3, but significantly cheaper. Optimus was 50,000yen, while Skyfire was 38,000yen.