I don't see much potential for Wii to hit 100 million... Wii will do fine until 360 and PS3 come down to the same price category but it won't be 100 million by then.
PS3... It is possible but until they can get a library that competes with 360 it will be impossible unless they can take North America.
360... It is possible without Japan as long as they do decently in Europe / Others... But there is doubt whether they can keep doing decent in Europe / Others.
After 6 years of this generation we may see none of them at 100 million.







