it was a long time ago na nung last ko na try yung Zildjian Edge, yung 18" Crash nila IMO is great pag rock yung tugtugan.. pero the best pa rin IMO yung 20" China nila, untill now hinahanap ko pa rin yung sound na yun, it's a great add ons sa cymbal collection... but for durability wise, i think all cymbals naman tatagal if aalagaan mo and personal use mo lng... have the correct technique in hitting the cymbals as well as maintenance, you'll prolong the life of your cymbals...