Seattle Ski in North Seattle(Shoreline) or Grassroots in Everett. My best bet would to contact either one of those shops and ask them about what you could rent from them. If not, always try contacting Baker and seeing what they have for you to rent. You might need to "demo" skis because some shops wont rent twins. I think your best bet would to contact Seattle Ski, those guys are all super rad.
I'm allergic to boobs-leafman$