Hi GUys

i am looking for a 9wt floater to used to be used for barbel and saltwater. I see the grand slam comes in the wavelength, mastery and amplitude and they vary from R900 to R1800 respectively. has anyone had experience with these lines and is the amplitude worth the R1800 and how much better does it cast compared to the mastery and wavelength ?

your input wil be highly appreciated.