Upload & Sell: Off
Yes, I am aware of your recent visit from another post.
I will never compare with others on flight mileage or flight hours, because I travel 9-10 months out of a year by major airlines as well as by corporate jets. I can be in 3 different countries for meetings within a 24 hours period spanning Austra-Asia, Europe and US. Not only that I do my own flying as well as my son who have his own PPL before his 18th birthday.
I wasn't trying to boast, I was trying to say I have some perspective that isn't rooted in sitting behind a computer screen in one country. As a guy with 20 years of product management experience, I always watch with interest how companies manage their product lines. The less connected they are to their customers, the less direction and sense I see in product families. In other words, segmentation derived from a spreadsheet or counting on brand loyalty alond isn't always accurate to what the market wants and can support. Sony ran itself from a market leader to almost an afterthought very much in part due to thinking like this.
My opinion is that is the case with the D400. There is clearly a market that isn't solved by the D7100, and starving/abandoning that segment isn't going to move those customers down to a D7100 or up to a D600/D800. Any Nikon product manger or executive that believes that is kidding themselves (not to mention the average guy on the internet). More likely the demand will wither or move to an alternative (e.g. Canon).
At the end of the day, we'll just have to wait and see. I don't think any of us know for sure, and while at one time I was really interested in a D400, I'm increasingly happy with my D300s (so count me as a "wither"). They'll have to make a pretty compelling camera for me to spend the money, but I am willing to do it if it happens. I'll probably wait longer than I would have, though...
As for China, I would say their recent spending retraction is due to the disputed islands with Japan. Actually, not just China, it is also happening in other parts of Asia because of the re-militarization of Japan and it past WWII history.
You're closer to it than I am, but I disagree. When I was there a few weeks ago, what some folks who live there told me was it had more to do with increased austerity at the governmental levels trickling down to the rest of the upper/middle class, which has cooled two of the major drivers in their economy (consumer and government spending). Look at how China has...managed...the border issues it has had with India - lots of saber rattling, minimal military conflict (with China generally coming out on top).
Apologies for getting a little off-topic