As one of the Kreigsmarine members and will be streaming the game at least once a week I've planned my line-up (with future content planned out)
Flagship: Camicia Nera (Until Bismarck joins the fray)
Flankers: Scharnhorst and Gneisenau
Carriers: Graf Zepplin
U-Boats: Nerpa & U-99
Mantle piece for my Captain Quarters will be the wheel for the HMS hood.
That being said, I will for certain cycle all the Kreigsmarine Belles in for a chance to be seen and used fairly on stream. Off stream I'll get any Belle that catches my fancy.