Replying to Edges Separating

I have a pair of blue ten eighties from a few years ago. I didn't really use them last year on rails, i used some crappy Dynastar AGYLs. But this year i started using my 1080s on rails and i haven't even been hard on them at all and about a 2inch piece of the edge came out and there are multipule cracks in them.

Has anyone else had this problem with 1080s? I mean, i bought these shitty dynastar agyls for like $100 and i have beat the shit out of them and the edges are still ok. Then there are the 1080s that bust in a few days of riding rails. Does salomon just make shitty skis?
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Thats nucking futs!