Have you considered and look at the Make Your Own Gear section? Some really good ideas and ways to reduce the cost of obtaining some high quality gear. Kit sites are also available at Thru Hiker, http://thru-hiker.com/kits/; and Ray Jardine, http://www.rayjardine.com/ray-way/php/order-form.php

There are numerous other sites for obtaining the raw materials for making your own gear.