Bruce wrote:

What is clear, both from the DPReview article and my own more limited
findings, that the D800 has a very weak AA filter and differences
between images from it and from the D800E are small.

....

In conclusion, if there is a "performance jump" from the D800 to the
D800E it is so extremely small as to be insignificant. With a little
sharpening in PP the D800E's advantage evaporates.

Yes. The best analysis I've found is here, complete with MTF curves:

http://www.luminous-landscape.com/fo...opic=65927.140

In particular:

http://bobtothe3rd.smugmug.com/D800-...Wolf-D800E.jpg
http://bobtothe3rd.smugmug.com/D800-...-Wolf-D800.jpg

Andrew.