<<That's how I felt when I first started using my D700 years ago>>
Exactly the way I felt when I upgraded my D300 to the D700. The D800 I found a little improvement IQ sharpness wise and it made better use of my pro lenses, however it's qualities came to the fore with it's tonal range which I noticed a big plus over the D700. Interestingly and especially for my wildlife images I always downsize my D800 images to 16Mp and found them slightly sharper.
In short the D7000 had become a stranger as my D800 took the major share of all my wildlife and landscape photography. Now, the D7100 holds it's own for wildlife and the D800 for my landscape and street scape images especially where wider lenses like my 16-35mm are needed. I am extremely grateful and more than fortunate to have both bodies.
I could mumble on for hours about my thoughts on the D7100, but not here as the question was about the D800/E