Fishy, this is a link that I had saved for better PC quills but...I have not used them as yet b/c I've not run dry. So..just an FYI but if you order I hope it helps you. Best I can do.
http://www.stoneriveroutfitters.com/...es/4,1307.html
Also found another that was buried. Again, not used as yet...
http://fancyfeather.com/
Jeremy.