hey, i just got the game on friday and i just finished it today (monday), it was short but it was damn sweet.
no those ghosty things arent really in it the whole game, they pop up a fair amount and (im not sure but i think) if you leave Yorda alone long enough, they appear.
Overall this is by far my favorite game, you go so into it.
it's so short but the vastness of the castle makes it just seem longer.
i just talked myself into buying Shadow of the Colossus and wondered does anyone know if the hero in that is the older version of the hero from ICO !?!?