Neutral:
* Unsurprised
* Expected
* Anticipated
* Unfazed
* Indifferent (implies a lack of interest rather than just surprise)
Positive:
* Relieved (implies the event was potentially negative)
* Confident (implies the event was expected and desirable)
* Prepared (implies a readiness for the event)
Negative:
* Disappointed (implies the event was not what you hoped for)
* Bored (implies the event was predictable and uninteresting)
* Cynical (implies a belief that the event was inevitable and likely negative)
The best word to use will depend on the specific context and the emotion you want to express.