I want to see a 2+2 as well. I just want it to be functional; i.e. you can actually fit 2 adults in the back for a short trip. Not for a cross-country road trip or in the same style as a BMW 745iL. I'm not that naive to expect that. But if they are going to provide a 2+2 might as well make it functional. The GC rear seat did not feel comfortable to me height wise. My head was up against the ceiling to do the slope of the roof.
If Toyota made it with the RX-8 style for the rear as it is functional. But maybe that is too much to expect.
It is hard to find a good picture of the horrible head room in the GC, you just really need to sit in the back and try it out.