If I remember correctly it was weighted heavier for champions than it is now.
Also, to address an earlier post. I said if Minny beats Iowa in a dual that should convince that a dual format is no way to determine a national championship team. The reason is, because Minny is no where close to Iowa as far as caliber of team, yet because of how they match up, they could win. Very unlikely in my opinion, but still possible.
I realize there is no way to determine a true championship team in this sport, since it is 10 individuals and their points towards the team victory are arbitrary. Personally, I like the NCAA tournament as the way to crown the champion and as png as the majority of fans feel the same way, lets not get too intellectual about it and just enjoy it.