From Gameswire.net: "Two things have thus far hindered the release of an HD Wii: massive demand for current hardware and high cost of 'next-gen' components.
"While Sony and Microsoft are willing to make a loss on hardware early on in order to establish userbase and make money back on software, Nintendo isn't. As Reggie himself pointed out back when the Wii launched, Nintendo must make a profit from day one. This cost-conscious approach has seen Nintendo frequently delaying console launches and upgrading hardware over time in order to remain competitive. The Game Boy went through several incarnations and the DS is on its third spec. The Wii MotionPlus is the latest example of Nintendo refining tech in a way where all existing customers are encouraged to spend money on something they pretty much already own. The next phase will be to deck the Wii out with better tech and HD capability."