Yes I feel the same way. She was really the only character that could go toe to toe with Picard and not back down from her beliefs. The episode about Data talking to the kid from that dying planet (2x15: Pen Pals), she had her best scene in the conference room defending her point. Wish she stuck around.

I think the Data antagonism was an interesting thing to explore and I wish she had a longer character arc of her learning to accept him.