Go to classfield, there you may find what you need. :thumb:
http://www.keyboardco.com/keyboard/swedish-finnish-filco-majestouch-2-tenkeyless-nkr-linear-action-keyboard.asp
There's the Filco you mentioned, in stock. That company also sells a Norwegian conversion kit, though it's all ABS. Not sure where to find PBT Norwegian keys...
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Satisfies one of his requirements, if he were to buy PBT keycaps for it.