It will succeed, the concept is excellent, and 3rd party publishers will port more games when the user base is larger, and to reach this prerequisite current 1st and 3rd party support looks sufficient, judging from sales and even more demand exceeding them.
It could have not strong legs in the long term though, as main RAM size is enough, but just that, and thanks also to a lightweight OS that won't likely get much smaller with future refinements, for streamlined versions of current home console and PC games, but when 9th gen games will start using the larger RAM competing 9th gen consoles and contemporary PCs will offer, NS RAM will start making ports from other platforms more and more difficult.
Stwike him, Centuwion. Stwike him vewy wuffly! (Pontius Pilate, "Life of Brian")
A fart without stink is like a sky without stars.
TGS, Third Grade Shooter: brand new genre invented by Kevin Butler exclusively for Natal WiiToo Kinect. PEW! PEW-PEW-PEW!