1up news story
, and the IGN news story
for completely unsurprising pictures, and cable prices.
Assuming the US division keeps with the pattern the system and other accessories have fallen into, the LAN adapter will likely be $30 here. That seems a bit much, but that might be a gut reaction from the fact the Wii already has wireless access. Also, the Twilight Princess bit, while being only in Japan, bugs me out of principal.