At least Ost doesn't have to be worried about allied players insta countering it with 2 clicks with most popular doctrines and soviet bombing runs are not guaranteed kills anymore on static emplacements.
Ost mechanized doctrine with spotting scopes, arty and command tank is nothing to ignore, its not the most popular one, but its certainly far from underpowered.
Both howis could use a bit shorter cooldowns as well.
I can't believe what I have already read. You have any knowledge about current balance or you are just keep up on theory?