I can't for the life of me remember where it was, but there was a developer somewhere saying replays of campaign battles was being considered. Must add my voice to those hoping they'll be included.

Blog is interesting, but AI before release is always suspect; particularly in FPS, where a hyped-up AI turns out to be simple, predictable scripting. The explanation from Puzz3D on the magic numbers is interesting too, definitely a step forward for particularly multiplayer if results are consistant.