Saw all this a while back. Its a smart move from Nintendo, as it means that a power-conscious will be more interested in a power-conscious console. Its also an advantage of using RAM instead of hard-disks. The other side effect is this - it makes it a LOT easier for Nintendo to build the Wii into a handheld (with minimal design changes) - if they ever wanted.
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Wii code: 2263 4706 2910 1099