Nikon have posted a few sample images from the D3x. For those who haven't seen them yet, they're here:
http://imaging.nikon.com/products/imaging/lineup/digitalcamera/slr/d3x/sample.htm
They are AMAZING! I do a lot of landscape, and for me the fine detail, eg, blades of grass in a field, makes or breaks the difference. That's why a lot of landscape pros still shoot 4x5 film.
But the D3x delivers! the detail on these images gets a big WOW!
Is the camera worth $8.000? Sure, easily, for those in either the well-heeled or imaging professional categories. A bargain even, as many have pointed out, compared to MF.
I want! But as an amateur, I'm not going to spend that kind of money. What I will do is wait for the d700x, for, I hope, under 5 grand. Or maybe 3 grand, or even less. But no, I will not spend 8 large at this time.
But those images! Warning: the files are HUGE. I'm still waiting for the rest of them to load as I write this. Ah, there it is...
Expensive toys. Very expensive. It will make a nice Christmas gift for some. And I agree with the others who predict the D3x will fly off the shelves, for a few months at least, at $8K.
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Tom B