1up has an interesting article on the effect of RE6's announcement on ORC. The long and the short of it is that the article predicts that because RE6, a totally new story has been announced and will apparently see its release within a year, ORC, a non-canon spinoff, is unlikely to sell as RE fans hold off until November.
For one, my gaming budget is pretty tight; I can't go around buying any game I fancy whenever, like I did when I was younger. I already am weighing whether I want to play a squad-based zombie shooter, or see what Capcom has in store for us in RE6. Granted, we have very little info about what exactly RE6 will play like, but from the trailer, we already see cover-based shooting and what looks like a more fluid combat system than in RE5. So... do you think Capcom's setting itself up for a fall by releasing both in the same year (and on the same consoles)?