If you're looking for a fantastic breakdown of the benefits and drawbacks that would come with moving from the ACC to the Big Ten, check out Testudo Times. Ben Broman breaks down how a move would affect Maryland's finances, rivalries, the football and basketball programs, not to mention academics.
Though it still appears as though Maryland is going to stay put, there are some compelling reasons to make a move if the opportunity presents itself down the road, but it would certainly not be an easy decision.