I'm not sure how many others here are business geeks like myself, but I found this article from the Harvard Business School to be interesting -- "How Kayak Users Built a New Industry":
http://hbswk.hbs.edu/item/5462.html
The model presented here is at least somewhat applicable to the ski industry, and PMGear in particular. I couldn't help but read it and think "yep, that's PMGear".