The plans/renderings from the Sept. 19th presentation are up now, so you can see the preferred plan. Click on the Sept 19, 2012 presentation under Iowa State Center Courtyard improvements.
Link: Iowa State University Campus Master Plan
Looks good - I hope they go with option c for the pavillions, the straight angles go better with the surrounding buildings.
Can't wait to see what they do with this related to pre game festivities.