was it really worthy lin dan shoe.when will be the gold version be realeased . i found yonex shoes easy to wear off, and there gumsole harden after a certain time, make it slippery on the court loss it ability to stick and stabilized on the court, in short u can not use it any more . those all the gum shoe shoes dont only yonex badminton has this life span?? how about the power cushion of yonex, compare to victor energy max??,and lining bounce technology?? wht is more responsive or effective ?? in my on opinion technology wise yonex is the 1st , 2nd victor and 3rd lining design wise victor 1st , 2nd yonex and 3rd lining sturdy wise lining 1st , 2nd victor and 3rd yonex what do you guys think ??