D7000 -> D600 Upgrade Observations w/Samples (Extreme Conditions) Autofocus Improvements

I find D700 photos have more mood and richer colors compared with D600 ones. More mood may be due to the different focal lengths of lenses used but I wonder why the colors are different.

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Decision, decision, we are the slaves of decisions we made inadvertently.
May God forgive us our imperfections!
Dust to dust, what on earth are we entitled to claim?