re: Who would you like the SEC to add?

I don't think state footprints matter as much the way they used to.
UNC is the easiest choice. ND would be great, but I doubt they'd come. didn't they traditionally play USC? Big10 is their likely draw.
UVA would be good, too.
FSU probably is worth their share of revenue, not sure about Clemson.
People don't look at it enough, but existing alumni base is the biggest bottom line determinant of a school's value. If a school is entertaining to watch, suddenly the alumni are fans again.