seems like a pretty solid binding. friends have them and haven't had any problems with them. the only thing i don't necessarily like is their weight. definitely not the lightest binding out there or the cheapest.
I have seen one set with cracked toe pieces, and 2 or 3 pairs with cracked heel trackes and shattered heels. They seem like a good binding, but durrability wise they arent the best. You can do alot better with a low DIN racestock, for about the same price.