Because of the cancellation of carry forward, BO7 won't have the following guns:
>Olympia
>PPSh-41
>AS VAL
>FFAR
>C9 (MP5)
>ABR (AUG)
>TR2 (FN FAL)
>Colt revolver
>MP40 (rumored)

Or these operators:
>Adler
>Hudson
>Park
>Reznov
>Woods
>Stone
>Stitch

But hey we won't get to see Beavis and Butthead skins so that's a MASSIVE W take my pre-order Activision!!