look up the gameplay demo they showed
and get ALL OF THE BONERS
Also the Destiny gameplay demo during Sony's conference was awesome but there were a few technical difficulties. They did another playthrough on Gametrailers, so look that one up if you can.
12/07 - Exodus
12/08 - Blackalicious
12/11 - Saves The Day
12/16 - Pallbearer
12/18 - Orange Goblin OR Wolvhammer