We need a place where we can put excerpts and readings from the upcoming book. This is not exhaustive... Not yet anyway. This is every revealed bit I have been able to find. If you know of any others, please post below!
Kaladin Chapter (Returning Home)
Source: http://www.tor.com/2014/09/30/brandon-sanderson-stormlight-archive-book-3-first-chapter/
Video/Audio: none?
Kaladin (and Tarah)
Video: https://www.youtube.com/watch?v=GlDHUCem