So here is an article:
http://saturdayblitz.com/2012/05/04/...s-run-rampant/
Since the rumor is a pretty strange one, my guess (hope) is that they are seeking leverage to get power back from the hoops powers in the ACC. Worst case scenario is for them to move to the SEC - single conference moving to 16 teams would likely cause other conferences to do the same, and conference armagedon would be here again.