You may want to check out this thread:
http://www.ft86club.com/forums/showthread.php?t=69248
I have owned first and third gen MR2 and 98 M3, the FRS has a less controlled or comfortable ride than any of them over less than ideal roads. My MR2 spyder feels more composed over tight low speed roads than the FRS, roads that I did not consider bumpy until I owned this car.