Well, they are made overseas so that who gets them first. Same with the video game consoles.
Also, we are relatively simple users compared to asians. Despite the annoyances I have with Americans and their damn phones, we arent nearly as dependent on them as some folks complain about.
But it Korea and Japan, people live and die by those things. If it isnt a mobile server with built in High-Definition home theater, its just not powerful enough.
Like any other product, whoever is willing to spend the most money gets the most product.
You know in asia they cant believe we drive $50,000 cars that get 8 miles to a gallon?