Re: So what characters do you think have changed the most?
I will have to disagree there - with the loss of Spock, Treklit has an opening for a senior statesman/ambassador... Picard would be fantastic !
I'd vote for Odo. He's older, and he's a Changeling.
"He clapped his captain—his friend—on the shoulder. Yes, this man was very much like James Kirk, in all the ways that mattered." --Christopher L. Bennett-- Star Trek: Mere Anarachy, The Darkness Drops Again