Those of you whinging over the graphics, refusing to believe that SE would release a promotional image at less-than-max settings have clearly never seen this (click for full size):
In comparison...
...doesn't look too bad. IMO.
That said, I think a degrade in quality is to be expected when promised a new engine intended to run the game smoothly on lower end machines. I'm not sure how anyone could be surprised?
Honestly, the most exciting thing for me is that the downgrade isn't anywhere near as dramatic as I feared it would be. I think I can live with a less impressive ground texture in Thanalan if it's no longer the only texture I'm looking at from one end to the other of the entire region.