Outta This World captured Brandon Sanderson reading the first few pages of "Distinctions", the Towers of Midnight prologue, off his laptop during the TOM panel at Dragon*Con (2010).
Note: My apologies for the slightly shaky camera. This was completely impromptu!
Check out outta-this-world.com/2010/09/09/wot-dragoncon2010 for the rest of Wheel of Time at Dragon*Con 2010 (photos and more!) and: outta-this-world.com/2010/09/01/tom for the making of the Towers of Midnight book trailer.