Are Nintendo due to shock the world with an earlier than expected release for the Nintendo NX?

Nintendo revealed earlier this year that Nintendo NX is currently scheduled for a March 2017 release date, to land alongside The Legend of Zelda: Breath of the Wild.

However;
Nintendo is now taking final orders on Wii U consoles. Those that haven't ordered by the end of next week (Friday September 30) will not be able to order the Wii U again from Nintendo. Is this Nintendo's last roll of the dice with the Wii U so they can plan to give retailers details about the new hardware next month? Is something exciting due to be announced in October?

To add further to the speculation, rumours have begun circulating that the NX has now entered "trial production" ahead of release. A production that is rumoured to produce 10 Million NX consoles per year or 2.5 Million per quarter at Foxconn Electronics alone.

The NX console was officially announced on March 17, 2015 - nearly 18 months ago! This has already been the longest period between a console announcement and its reveal.

With games already deep into development; are we going to be surprised by an October announcement that the NX is coming out before Christmas? Could Nintendo already have a launch line-up of games ready to go out? Some games must already be finished - so why not shock the world and launch at peak?

Would you buy the NX if it came out this year?