The A-44 gets a fully traversable turret and much better mobility, the only things it has in common with the A-44 are its looks and the calibre of the gun. As for the Su-100M1, the SU gets (again) much better mobility aswell as camo (I don´t know the camovalues of this thing but considering that it is bigger than the Jagdtiger, I doubt it will be brilliant) The playstyle will be closer to that of the T28 Concept (i.e assaultgun) than that of a traditional TD, as such it is rather unique and can´t really be compared to other tanks in the techtree (though I don´t believe it is very good at what