Rebwa mentioned Sierra Trading Post. It's a great place to find excellent prices on Marmot and other brands, for women and men. Colors are often a limited selection.

Here's the "original" style Dri-Clime windshirt for $47 -- about half-off the full retail prices.

http://www.sierratradingpost.com/p/,1585D_Marmot-Original-DriClime-Windshirt-Jacket-For-Women.html