In general, more durable skis are heavier and often stiffer, as well as more expensive. The only truly more durable brands are ON3P, Praxis, and J skis, all of which use thick bases and edges, but maintenance is a large part of durability. Read up on how to prevent edge cracks and core shots ect. no matter what you ski you get. At the end of the day though, a majority of NSers will tell you that if you are looking for durability, go with ON3P