You can follow the story and share your thoughts on the following forums
http://www.lounge.belloflostsouls.net/showthread.php?t=5331
http://www.heresy-online.net/forums/showthread.php?t=56525
http://www.dakkadakka.com/dakkaforum/jforum.page?module=posts&action=list&topic_id=279870&viewResults=true