Let me just tell you this, before I make any further input into this thread.
With the DS as the most successful handheld (soon to be console) EVER, the Wii the fastest selling console EVER, and still with strong sales for both, and with a new console which looks to be selling amazingly...
NINTENDO WILL NOT, EVER, GO MULTIPLATFORM
Out of interest, what Nintendo IPs are on other consoles?
*ahem*
Infact, they should all go to one console, either the PS3, or, far more likely, the Wii2