According to this website: http://www.nokia.nl/nl-nl/producten/aanbevolen/belle-nfc-phones/
Symbian Belle is finaly available in The Netherlands!!!
If you look at the right side of the page you see:
Symbian Belle is nu als software-update beschikbaar voor de volgende toestellen:
Unfortunately I can't check because my N8 is in repair and I have no notification when I get it back and I don't know if my provider made it available already.
I checked the American and German website as well but they do not offer Belle yet.
If I look up some info about the N8 on the same website it says it's most recent release is "De nieuwste software-release voor de Nokia N8 is Symbian Anna (025.007)". I'm guessing that Nokia is ahead of itself, bummer!