I just received my D800E last week and, of course, I have been shooting test charts to assure myself that it is not plagued with the left focus point issue. The good news is that it does not appear to be affected. When reviewing the shots however, I found that all my live view shots were overexposed relative to the ones shot using the OVF.
I've tried aperture priority and shutter priority...matrix metering and spot metering...various lenses. In 80-90% of the shots, the live view is overexposed relative to the OVF...sometimes as much as a full stop.
I have compared this to my D700 and D5100 and find that they do not exhibit this behavior (using the identical scenes). I have tried high/low contrast and dark/bright scenes. The behavior seems to be consistently (live view vs. OVF) inconsistent (with respect to the varying metering).