I was kind of searching around for more B1G lacrosse news and details, and I found this good article about a seeming showdown in the world of which spring sports will become relevant in the war for non-football content: http://www.collegecrosse.com/2013/6/6/4403294/college-lacrosse-baseball-and-espn
Basically, it sounds like the SEC is pushing baseball, which is their big spring sport, to compete with lacrosse. It's probably more like Big Ten hockey in that regard, as it's a sport conference schools are into, and the conference is the best nationally at it. ESPN is in charge of broadcasting both sports, but it sounds like they aren't giving lacrosse much love in terms of broadcasts (which could have pushed Hopkins to join the B1G, for broadcasting purposes alone, as even ESPNU isn't showing many regular season games). It sounds like the sports could be complementary, as they don't quite match up in time, but baseball generally has much more of a national following anyway, so it sounds like it's getting more play. What could be interesting (if seemingly unlikely) is if some schools that play lacrosse feel like their product is getting shut out of the national stage, and so might feel more inclined to come to the B1G if it really gets into broadcasting it and has its network on in most of the Northeast where lots of LAX fans and alumni of LAX schools live (often with lots of money) live. I don't know how the ACC broadcasting works, but if becomes an issue of coverage (or coverage differential, really) then we might see more moves.