Nikon D610 real-world and test scene samples

I left Nikon before D700 came out, and I steped over to Fuji and the S5, later to Sony, and unless there will be changes in Nikon policy, service, and specially pricing on their top models, I do not go back. When I see at what price they sell a D4 and if I compare it to a D7000 and higher series, I ask myself by what they want to justify the price they ask for the D4. 1150$ for the 7200 body opposed to 6000$ for a D4 body. So, tell me where they have hidden that 4850$ of material they ask for if I compare both cameras? Sony A77 compared to A99, was a difference of 120%, not 420%, and I consider 120% even an overdriven pricing policy. Nikon sucks since many years now.