I have heard through the grapevine that the deere combines will have a new more aggressive cleaning shoe, the grapevine I talked too has seen the chaffer/seive setupd and said it looks like a pretty good design. He said he hadn't seen the rest of the combine or anything just a few components of it... so I don't expect any radical changes but more capacity in the grain elevators and a better cleaning system.
I also wondered what happened to the original post. I know I didn't delete it. Alex wants to see the pics, so I don't think he would have deleted it either. Oh well. Maybe the original poster had second thoughts.
We have had our combines work alongside Deere pre-production machines and yes they tend to be very protective of their new babies, more so than the prototype and pre-introduction red machines that we have worked with.