Baggage Traveling woes.
I think its less of a quality issue and more of baggage handler issue. I bought a new semi-hard suit case just for Cleveland this year, it barely made the flight down, only one wheel broken off, and the cardboard boxes I had placed inside where all weakened considerably, I'd swear those guys practice kung-foo on this stuff before it hits the carosel. It also doesn't help that now with all the security, your baggage gets handled 2 to 3 times more than it used to.
I still have one of those aluminum equipment cases with foam liner, I don't think it would even make a longer flight anymore, those guys are just brutal.