It would be a not-so-good-idea for apple to release everything at once. Apple, right now, is targeting the people that dont know everything about computer, the common people. If apple releases everything the same week, those people will hear about it all at the same time since they only get updated every once in a while. What apple really needs to do is to release something new ever 2-4 weeks. That way, whenever the common person, who doesnt know when the new powermacs were released to the exact minute, will see that apple release something new yet again.