I played the X yesterday and will continue to game them for sometime. I had to take one out of play after it got scuffed from hitting the cart path on the third hole. I played the next ballfor the rest of the round, including two bunker shots, and it held up fine. I will continue to use that ball for my next round. No scuffs are serious signs of wear.
Earlier this year I've played the 25 ProV1x, and the prior generations of Maxfli X and Wilson Staffs. I like all of these balls, and the Mizuno Pro X is comparable in all regards from what I can tell. I really want to try to latest Wilson Staff X, just waiting for a sale or discount...