I'm interested how SH will do on their first ever CoD. Hopefully they should be different than IW. Well, at least I hope they are.
Treyarch deserves more dev time. And we don't have to worry about IW for the next two years!
SH made the MW3 multiplayer so don't get your hopes up. The last multiplayer IW made all by themselves before ghosts was the MW2 MP. Sledgehammer was mostly responsible for the worst CoD MP we've ever had.