Not really, I find PvT easy, not because it's imbalanced but because most Terran players are garbage.
Oh I see he has a robo, better make marines and marauders... Oh he has Templar better try and drop him and.... Erm what should I do with these 5-6 Vikings I blindly made? Durrr better wait for storm to finish before I attack.... Uuurrrrrrr Protoss imba