That's just a personal opinion, I'm sure many people love Adelaide like myself. I've been to Melbourne countless times and whilst it is a nice, more iconic city, I'd rather live in Adelaide any day.Melbourne as a city is better then Adelaide
And as for the rivalry, it has existed for years through many different codes. AFL with the State of Origin for example.
There is definitely a bitter rivalry between AU and MV. They know it, we know it. It's what makes the games so exciting for both teams.