I've started researching ultralight gear recently with an idea of PCT in mind. There are too many links and useful info and I am starting to feel overwhelmed. I will use this post to classify everything. BTW if you know any links that are not listed here, or just have any advice/ideas PLEASE feel free to share!
GENERAL GEAR REVIEW:
MAKE YOUR OWN GEAR:
Journey on the Crest: Walking 2600 Miles from Mexico to Canada
Dances with Marmots
APPALACHIAN TRAIL MAPS: