I really think all the things you mentioned as likely to be censored pale in comparison with...
Of course, unlike Higurashi where media could play the "how dare you show murderous teens!" card, this time around producers will have the convenient excuse that it's unknown who is doing all these terrible things and whether the culprit is human at all. Not that logic matters when media watchdogs are on the loose...
So 2009 it is. When is the novel scheduled to finish, btw?