I think two of the weak points of the STA system were the advancements and the reputation. And this seems now much better in the Klingon book.
But regarding reputation, unless I read that incorrectly, it seems that only players are supposed to spend Glory and Shame. You should add/clarify that the GM can also spend Shame for a character. Otherwise the character could theoretically accumulate Shame without any serious consequences. It would be more fun if the GM was allowed to spend that Shame as well, thus creating hostile NPCs when it fits the story or even initiate a court martial.