Wehr is teching to Panther while Sov teching to... 34-76. As far as I understand OKW here is the biggest winner as faction which has no restriction on heavies and doesn't need a commander to build it anyway. Shame.
I'd say 80 fuel med tank is a rather good deal, it sucks, but its current cost actually do allow it to be spammed and actually numerical advantage, which was the advantage of T34 comes to life.
I'd like to see mp cost getting more then 10mp cut, but given the fuel, you will easily have 2 T34s for every panther.