For me, it was Ultima IV. I played the Ultima-Series when it was new on my Commodore 64. It was amazing to me to learn that it's important to be good and not just trying to kill things deemed evil. And Ultima V was the perfect sequel to that, showing what might happen if you force people to be "good...

I'm a backer (Incredible legend) and I would love to have turn-based combat. I play games to relax and turn-based gives me time to think, where as real-time creates pressure to press the right buttons at the right time.