I don't know if you heard about this but bungie launched a competition to find an emblem design to be placed in the game.

the bungie page
http://www.bungie.net/News/content.aspx?type=topnews&link=emblemcontest

my design


by the way I can't enter the contest because I live out side the US
so I any body wanted to send that design its cool that if he/she likes it