There was a 2013 with like 5k miles on it just 30 minutes away from me that sold for $75k. This was 2-3 months ago. That was a hell of a deal. In 2012, they bumped the power to 530hp. In 2013 it was 545hp. 2009-2011 was 480hp. In addition to the power bump, the later models have a different launch control system in general.
This guy's car you posted looks brand new, but I don't think he'll get $70k for it. When Nissan did the dealer cash incentive, the prices for all GTRs took a hit. When people saw you can get a brand new one for $85k instead of $100k, the prices came down a little across the board. Unfortunately for me, I bought too early! LOL