Quality thread. You basically covered every rumor any Nintendo bigwig has so much as commented on.
I expect Wii Music and Animal Crossing Wii to be the stars of the show. I wouldn't be surprised by a DS redesign.
"[Our former customers] are unable to find software which they WANT to play."
"The way to solve this problem lies in how to communicate what kind of games [they CAN play]."
Satoru Iwata, Nintendo President. Only slightly paraphrased.