In Halo 2 one of the only good things about being an elite was using the active camo. I was very frustrated when they removed it for Halo 3. If there is a chance to play an elite during the campaign I would love to have some stealth missions.
I also think it would be interesting to have the active camo in multiplayer. Obviously it would have to be on a timer like in H2 but I think it would be more interesting to have some genuine differences between the elites and the spartans. Elites could have camo at the price of having less shields or alternatively less mobility. Introducing a stealth element to multiplayer would also bring more tactics into using the short ranged weapons. Instead of camping, elite players could ue stealth instead.
Obviously there would have to be different playlists in matchmaking, some with spartans only, others with elites only, some elite vs spartan playlists and some free for all playlists with players having the option to be spartan or elite.
[Edited on 07.22.2009 11:30 AM PDT]