Haven't read the thread, here is one data point for you, my October D800E appears to be fine.
<rant on> I am getting beyond frustrated with this whole internet hysteria phenomenon. What concerns me is when people read a few threads and think they have "the problem", whether it be dust, Left-AF, you-name-it and clearly couldn't hit the broad side of a barn with their testing technique or fact gathering logic. Then they start returning 3-4 bodies and yammering on about class action law suits which only increases costs for all the rest of us. Clearly some people have had a problem, that is not my point. My point is that undisciplined speech or actions need to be reigned in. Thankfully Nikonians is a disciplined environment. </rant off>
Just be careful out there, for example AF fine tune is a difficult thing to personally achieve and difficult topic to discuss. It can be done, but if you aren't already an experienced tuner expect a leaning curve. I AF fine tune all my cameras, but I always say its a journey, not a destination, and I always acknowledge it's a lot of work. Anyhow, I would just go ahead and get whatever camera you need and then just keep a careful eye out
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