I think it's in the bag.
Here is their remaining schedule before the ACC Tournament:
February 21st at Miami- This is a tossup. They beat Wake Forest, but have no other signature wins.
February 24th at Florida State- This could go either way.
March 4th at NC State- This is a lock.
March 7th at Georgia Tech- this is also a lock. Their win over Wake Forest was a fluke.
I think they can get a decent spot for the conference tournament, beat up on some crappy teams (ACC has four bad teams), and make a good run.
IMO, they will end up as a seventh-seed. Don't ask me to pick the region, though!