If Notre Dame ever becomes a full member I would invite either Houston or Cincy as the 16th team. At this time I would lean towards Houston over Cincy because I am more sold on Tom Herman as a Coach than an older Tommy Tuberville. This is assuming the Big 12 doesn't snag Houston first. Thoughts?
It is an interesting proposition ...
The slight problem with your scenario is the timelines for ND joining a conference, and the coaching longevity of Herman and Tuberville at their respective schools are on completely different timelines.
Houston to the ACC would open up Texas, and bring what will soon be the third largest city on the US into the ACC footprint. Houston does have a basketball history that would fit with the ACC, and is a good school. Houston also has some money behind it, given the athletic backers that helped pony up raises for Herman and staff. Even without HC Herman, Houston would be attractive.
Cincy is a long time rival of ours, and we know more about them than prolly any other potential candidate. They've recently dumped big money into upgrading Nippert Stadium, and have plans on doing the same for their hoops arena. They have shown an ability to hire good football coaches with Brian Kelly, Mark Dantonio and Butch Jones all using Cincy to grab gigs at football powers Notre Dame, Michigan State and Tennessee. Tuberville may not live up to those standards, and I think there is some restlessness among the Bearcat fanbase with him. Cincy has a history of solid hoops playing too, and their fanbase embraces it much better than does Houston. Cincy is a large market, in a populated state, and I think would fit in well. Personally, I'd prefer Cincy over Houston, UConn, Memphis, any Florida school .... East Carolina would prolly be my second choice, but I'm going off on a tangent here.
But here's what I think is happening.
I think Swofford has positioned the ACC for a grand slam type scenario ... Allowing
ND to keep their arrangement the way they have it now -- football independence with 5 games a year against ACC foes and all other sports in the ACC. And letting them keep their NBC football contract.
AND adding Texas to the conference, with the same arrangement. Using the Longhorn Network as their ND football channel. Obviously, there would be some "sticky" negotiating on what to do with the rest of that channel -- does the ACC "buy" it from them? To use as the ACC network? Who knows .... But this would appeal to Texas fans, and would trump the A&M move to the SEC in that they basically would be saying "we're big enough to do this, and you aren't" ... It would allow them to truly market what it is they want to market - Texas Football, and give them a good home for their other sports, which are good, but not the main thing that gets them going. And the ACC's academic standing is one they would be fine associating with.
Texas trumps Houston. Texas trumps Cincy. Texas trumps pretty much everyone else.
Then you'd have 16 teams for all other sports, and 2 solid non-conference foes for the league to play on a regular basis. You open up a gigantic market in the entire state of Texas. ANd have a conference with both Texas and Notre Dame in it, which is what all conferences covet. It would be a gigantic middle finger to Delany and the Big Ten-fourteen.
I don't think we see the ACC do anything for a while, and will wait out what happens to the Big XII, who is looking like Kevin Bacon at the end of Animal House, when chaos is reigning during the homecoming parade, screaming "all is well! all is well!!".