Yeah - that's a great example of a lens that doesn't cut it on a D3X, at least wide open (it hopefully would fare better at F/8 or so). It would also be interesting to do the same lens test on a D700 versus the D3X. They might look more similar in that case since the 85/1.4 shot will blur up a bit from the lower resolution. On a D800 this test might make them look even further apart in quality.
Once I get the D800 in March my buddy and I are going to do a full D700/D800/D7000 cross-test with the 70-200 VR1, 70-200 VR2, 16-35/4 VR and a Tamron 17-50/2.8, just to start to get an idea of what we're really dealing with.