Tough call. My '09 S has several features no longer available on the '13 models.
If I had to buy a C-class car today, I'd look at the Honda Civic, Subaru Impreza, Volkswagen Jetta, Hyundai Elantra, KIA Soul, Nissan Sentra, Scion tC, or Mazda 3. The Ford Focus is too cramped inside, and the KIA...