This guy did not like the ride of the 300C. He says and writes that the car is too stiff.
"It's a terrific car, it's just a bumpy ride away from being magnificent"
http://www.usatoday.com/money/autos/...rive-300_x.htm
Pics with his audio review here:
http://www.usatoday.com/money/galler...r300/flash.htm