I buy materials every day.
I have a table, updated daily, with current materials request.
Bookmark the following link, and check it every day
https://docs.google.com/spreadsheet/pub?key=0Aizw8DzbNwHkdHZWYlp0OVNrbng...
Trades will be done via Steam Trading only, you can find me in my extended friend list group chat:
http://steamcommunity.com/groups/dando-real-ita-efl
Updated.