This is my first post on the CoD AW forum, I haven't read all the posts and have just seen about 2 videos of the game, so just bear with me.
The real demolition game type back.
Proper in game score boards, defend, cap, defuse etc.
The return of the legendary spaz, the one from MW2, everything about it was overpowered, so much so, it was great!.
I know this next one will alienate 95% of players, so I know its a non starter, K/D - only show this in TDM, FFA and other none objective game types, if they done this, all the other game types will be like a ghost town. lol
HC-KC where you get proper points when you deny a kill.
From the 2 videos or so that I have seen of MP, it looks real fast, almost as fast pace as MW2.
And this one looks allot better (already) than Ghosts, even though I got Ghosts in the first couple of days, I never really got into it.
Hate to burst your bubble, but Sledgehammer Games co-founder Michael Condrey has confirmed that Demolition will not be a game mode on launch day.
Of everything else you listed, I agree with everything except the MW2 Spaz-12. I do want strong shotguns that can win their fair share of gunfights, but not as secondaries. If the rest of the shotguns in the game are as good as the one we've seen (Tac-19), I'm fine with them as primary weapons.