They probably can't ramp up production to fulfill demand in Japan, let alone in the US. That is why they would launch in Japan first.
But even if they could deliver enough units, they would trying to wring dollars from the same market from which they're trying to make money on the PSP. So the two products would be stealing sales from each other.
But even if they could deliver enough units, they would trying to wring dollars from the same market from which they're trying to make money on the PSP. So the two products would be stealing sales from each other.