I never understood this push for Nintendo to go 3rd party. Sure, people love their franchises and that's usually about it on their platforms, but at least their hardware offers something unique.
Sony is in just as dire a financial situation as them if not worse, and their hardware offers little to nothing over a good home theater PC setup or the XBox for games. (Notice i said hardware, not online services) Microsoft offers almost nothing in the way of first party development these days but at least they're successful.
Is it because Sony doesn't have the same appeal of first party studios and titles? Or simply because third parties tend to publish most everything for their system as well? Or the illusion that because they're a large electronics corporation outside of games that they're immune to poor financials?
I honestly believe Sony will hang up their hat and call it a day for gaming long before Nintendo will, simply by the ability for Nintendo to leverage their franchises into people buying their hardware. The fact that this "nintendo should go 3rd party" thing has gone on for so long is proof of that. I don't see threads of people crying for Killzone to get ported to xbox so they don't have to buy a playstation for it.