From now until Monday, Halo 3 players will be treated to a Valentine's Day Massacre playlist, which will be a variation of the Team Doubles playlist. You know, for you and that special someone.
The playlist will also help Bungie test out some tournament tracking features they are working on and they say they will be doling out some awards for secret reasons and stats. Their example, which will not be a real one, is a prize for the most vehicle hijacks.
They plan to hold a few tournaments next month through the use of special playlists that will appear during the contests.
Maybe they should send a card to Infinity Ward, though, as CoD4 seems to holding most of Xbox Live's traffic nowadays.
Bungie.net: The St. Valentine's Day Massacre Playlist