Opinion: Do you still care about the Nintendo Wii?

It was once the king of the gaming pile, so sought after that you'd have to give a kidney on the black market to get one in your home. But recent months have seen the Wii fall from grace, with profits down as much as half over the same period a year earlier. Has the bubble burst for the Nintendo Wii? If so, what has caused it? Here's Tech Digest's five reasons why the Wii's star is falling.