I like the changes to the ISU-152 and JT but perhaps relic should have taken it further? I could see both units performing like a Sturmtiger-light with a longer cooldown on their shots (~20-25 seconds) but in return greater firepower.
Except the Italians, they weren't technologically competitive at any part of the war.
Most of the fighting in Italy was done by Germans anyway so I'd assume any Italian faction would be composed of German infantry and tanks supplemented with a few types of commandeered Italian vehicles and infantry squads for flavor.
I'm expecting it to be more along the lines of DoW: Dark Crusade. You move along the map gobbling up territory as you go. Victories will open up more tech or commander abilities and territories may provide additional bonuses as well.
If we're talking about the Brits and Italians I'd expect relic to go with the 1943-1945 Italian campaign instead of the African Theater. That way both factions would be technologically competitive with the other armies in the game.
Of course we probably won't see that for another 6 months to a year.