Chromosphere sells them together with his SMD transistors.
http://www.diyguitarpedals.com.au/shop/index.php?main_page=index&cPath=6I found soldering them to the boards to be both additively fun and easy. Afterwards I was going bring on the full SMD boards and kits!!! Soldering pins from leftover clippings to the boards however was the biggest chore though.