We've updated some old topics and added a few new ones in our Halo 2 FAQ to reflect the information revealed so far in the many articles covering Halo 2 multiplayer. The new and updated entries are:
- Player Customization
- Xbox Live Hosting
- Ranked Play
- Weapons
- Vehicles
- Maps
- Game Types
- Powerups
- Voice Chat
- Game Movies (films)
Of course, you'll get a lot more information by reading all the articles mentioned elsewhere here, but the bulk of the new information has been collated in the above FAQ entries.