This is a brilliant idea, and would solve all the annoyances I have with NSC.
For me 2 extra icons would be useful - in fact they could be combined - (1) NSFW, and (2) Tasteless ( which can infact be NSFW if the title screen is seen at work ).
Personnally I don't mind the non-football stuff in general on the main board, but wish some of the cruder and crass threads were shifted onto their own area.
It would be good if we could have a 'zap thread' button. Much like we can put users on ignore, threads could be put on ignore - which would mean everyone would get the NSC they want.
If not, then I reckon split out the albion stuff from the rest.