Got my one last week. Already have Zelda, Splatoon 2, Sonic Mania, Mario Kart and Minecraft.
Will probably get Mario Odyssey and Skyrim before the end of the year.
Very pleased with it so far.

Mario Odyssey is sooooo good. My favourite Mario since 64.

Looking at maybe getting gift vouchers from work for xmas .

Is this something that would serve the same role as a Wii in terms of a 6 year old and a 3 year old being able to play stuff with mum and dad?

Cheers

Fozza

It's not as motion-controlled as the Wii, and as yet there's not really a 'Wii Sports' equivalent. Think the 3 year old would struggle. On the other hand MK8 Deluxe has settings that make it almost autopilot which is good for kids.

Humm good advise. 

So there are no party games for it? 
 

there's a few, snipperclips (new version incoming) is meant to be good. I've not looked much into it yet tbh.

nintendolife.com is pretty good as a resource for what is out there.