JustAFan,
I agree it would difficult to fairly seed/divide teams into pools without dualing each other during the regular season.
One seeding possibility is to use a point formula, similar to what they do at the Cadet National Duals in Colorado each summer. Each team would receive points for state placers, state qualifiers, winning records, and negative points for open weights. The seeding could be done with this formula, no seed meeting necessary, could be done by the tournament director after the coaches send in their info. While this may not be entirely accurate it could probably be close enough to make the pools as about as fair as we could get them.
Just a thought.
I do think duals are more exciting for the fans and great for our sport. They also reward the teams with the most depth and solid lineups top to bottom. A few all-stars only count for so much in a dual, but to win duals you must put together a true team and fill each weight with solid competitors.