I'm reping and thanking KYF, next thing I know the Four Horsemen of Doomsday are coming! Or maybe KYF is starting to be reasonable
He has his moments as we all, though I believe his antics (intentional or, not) brings a bit of entertainment to these forums.lol
edit: But on a serious note.
I do remember Itachi saying that the PMS awakened a new dojutsu and thus Madara being immortal and what not. So, it fits with the theory generally.