>>527436815
From those, probably IG > Orks > Eldar > Black Legion > Ultramarines. Then eagerly await Tau, Mechanicus, Genestealers, Sisters and Harlequins.

Also I just realized there is literally no way in hell they will do justice to the IG by adding all the cool non-Cadian regiments.
>Won't be getting my beloved Tallarn, much less stuff like Vostroyans, Armageddon, Vallhala, Harakoni, let's not even talk about Tanith.
>Might get Catachans and Krieg if we're lucky, still doubtful.