Switch crosses 1 million so far this year, up from ~700k in the same timeframe last year.
Also Switch is only 105k away from passing PS4, should happen in the next 4 weeks.
So, probably the week before goldenweek. Which is now a 10 day holiday period as far as I understand.
The Nintendo eShop rating Thread: http://gamrconnect.vgchartz.com/thread.php?id=237454
The Steam/GOG key gifting thread: https://gamrconnect.vgchartz.com/thread/242024/the-steamgog-key-gifting-thread/1/