I had a civic, and found that the gears where very fast and unlike the linear power delivery of the ZED you get an extra kick at the top end. On paper the S2K has less power (40 less than DE, 60 less the rev up) less torque (60lbs/ft) but does weight a small 285kg less
The Zed will get to 62 between 3 and 4 tenths of a second quicker and has a higher top speed as the S2K tops out at 150mph.
There is a youtube video of the japs testing the S2K, 350z, R34 GTR, M3 and Boxter (2.7l) was around 8 laps of a track in Japan. R34 was first followed by 350z, M3 (maybe biased not driving as fast ) S2000 and finally Boxter. As said before, very different cars, just depends on the driver.