NES, SNES, N64, GC, Wii. All sold extremely well and were very successful. The switch will be no different. I know they've all be successful because I've never even heard of anything else by Nintendo!
Also, their handhelds have been only amazing and always improve so no need to list those.
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WHAT ABOUT THE WII U YOU BLIND FANBO-[i] notices satire tag[/i] Very convincing though. I really thought that you were a fanboy for a second