Kumho's are fine by me
I'm riding on Kumho ECSTA tires and they're great (in my opinion). I'm no "tire expert" but the ride is good, noise is unexpectedly low and the grip is phenominal. I'm driving on stock wheels for my '88, I bought the tires (255-50-16) from a local dealer because by the time I paid the $84+ each and shipping at Tirerack.com and then paid someone locally to mount and balance I was at the same price the local guy wanted for the tires mounted and balanced ($115 ea).
The vette's my daily driver and the Kumhos are working out very well.
Everyone has their own opinion and no one's wrong as long as they're happy with what they've got!!!
Dave