This is an interesting bit of info from a reputable Nikon list:
It must be 2 or 3 years ago that I heard from somebody who shot an early prototype of the D3x and what he told me about the details he saw in the images made me want one. The camera itself was actually scheduled [...]

[11/28 Nikon Pro D3x shots and info]
There are shots (likely real) of the new D3x along with a wad of info in this post.
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[11/27 Price Update]
From a reputable Nikon list:
A friend of mine was in a Kansas City Camera store last week and was told approximately $7500.00.
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Ok- we know that “Something BIG” has been announced.
Speculation [...]

The Bangkok Post (”All the news that’s fit to print”) reports that Nikon has laid off 1,500 contractors due to reduced demand: Japanese camera-manufacturing giant Nikon yesterday laid off 1,500 of its subcontracting staff in Ayutthaya province after a slump in orders due to the global financial crisis.
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All the dismissed workers are under subcontracts and have [...]