You are like me (only older.... )
I tried the S2K and liked the handling, the cabin was decent enough but once in the Zed felt at home. It really is a decent GT (as my highlands road trip would testify!) as you can lop in a couple of suitcases, stick it in gear and cruise around on torque for hours on end.
The S2K is a good car, just doesn't suit me. I don't want a frantic white knuckle 9k ride everytime I get in the car. Without doing this the car sucks! So in conclusion. S2K slow = S2K quick = 350Z slow = 350Z fast =
Hope this helps!