indeed the isu is way too strong.it can kill a PANTHER with 2-3 shots.what the hell?
It can easily be circle strafed by a panther and of course it is going to beat a tiger it costs more and takes longer to get also if you ever played Men of War you would know how go the ISU is.
well,IMO, just nerf its firepower,but incrase its reload time a little bit,the speed of this beast should be incrased, and make him only can be call in once in a game! PS:why can't its main gun move left or right....either do other self-propelled weapons