Does Microsoft need to release the nextbox 1 year before the competition?

[Fumanchu]

I think Gearbox is rumoured to be developing Halo 4 for the next Xbox. 'Finish the fight' could be finish what was started in Halo 2, since it ended with a cliffhanger.

http://au.xbox360.ign.com/articles/902/902774p1.html

Halo 4: 'Pick a new fight!'