ACC presidents issued a statement of commitment to the league.
http://www.theacc.com/genrel/120612aab.html
More defections probably imminent now--like when the SEC voted not to expand then added A&M less than a month later.

Big East made a similar statement after Cuse and Pitt left as well, and then WVU left, TCU didn't come and now Rutgers and Louisville have jumped ship.