In person, all I thought of the rear end was 360 Modena. The diffuser and pony in blacked out panel.
The lights look so much better than the renderings (and pictures).
The roof line is very G35 Coupe like and the lower rear quarter reminds me of the 10-14 Mustang's lower rear quarter.
The front, yes, is a more aggressive take on the Fusion front end, but it does look like a sports/GT car. It looks lighter than the S197 for some reason (not sure if that's just from all of the rumors that it'd be lighter or not though).
I wish I got more time and could've gotten closer, but I had to get to the office before I was late. Damn work, getting in the way