I noticed immediately that the manual transmissions made noise. I've been used to front-drive, four-popping, euro cars before, so this was new to me.
I drove several Stangs with 5 speeds - they all sounded the same.
Actually, I kind of enjoy the noise.
With that said, none of us has actually heard the sound. You can always go by the dealer and drive a similar car, or have the shop forman give it a listen on a test drive...