So I was fortunate enough to go on a Japanese trip recently and they have those at their local computer store:
Archiss ProgressTouch Retro
http://www.archisite.co.jp/products/archiss/progres-touch/retro-en/So after some research I found that they're basically rebranded Leopold FC900R and they're both made in Taiwan.
First impression is that their Cherry stabilizer feel really good, I almost thought they were Costar.
Anyone that can read Korean can you explain what they say in the pic here:
http://www.leopold.co.kr/?doc=cart/item.php&it_id=1416364556In the pic it clearly shows a grey color stabilizer stem. So this must be a custom one specific to this model.
They should manufacture all future keyboards with this Cherry stabilizer stems. I used to swear by Costar stabilizer because I can't stand the mushiness, but this might be a game changer.