Nermal said:There's a QuickTime version available too.
erikamsterdam said:http://www.videolan.org
VLC will play anything you throw at it.
Or Mplayer, also excellent
http://mplayerosx.sourceforge.net/
And both universal already.
AlBDamned said:Yup. should be able to download a .mov file from here:
http://www.bungie.net/News/TopStory.aspx?link=Halo3Announcement