Iowatailgate, I'm not saying there aren't metrics that can be used to convince someone that Iowa is the better team. I personally think Iowa is the better team, but the basic metrics (head-to-head, overall record, BCS Rankings) all favor Wisconsin. Also, the traveling argument doesn't hold a ton of weight since Wisconsin is considered a great traveling team and they haven't been to a BCS Bowl game in 11 years.
I just cannot see a bowl representative coming out at a press conference and saying they picked Iowa over Wisconsin because they had a tougher non-conference schedule and more quality victories. I am even more convinced of the factors I mentioned since the Orange Bowl reps specifically said they picked Iowa over PSU last year because of a head-to-head victory and better BCS ranking.