Hi,

Ski.com has a relationship with http://www.snowgalleria.com/.  It's an amalgamation of several companies who came together in an effort to offer some great deals.

Another site I highly recommend is http://www.steepandcheap.com/.  They offer HUGE savings on all types of things, but there's a catch.  They only sell one product at a time and leave it up until it's gone.  So, you can check back several times a day, or you can ask the site to alert you when it's selling something specific.  Interesting idea that really seems to work. 

Dan