If we do see realignment in the next few years, I believe most conferences will expand to 16 teams and cause unprecedented chaos in college sports. Unlike Tim Stephen's ideas(they're in another thread), these are made on sound ideas(and the fact I came up with these alignments in about 30 minutes). Enjoy.
First salvo: The SEC
Thirsty for more money, the conference drops Kentucky and Vanderbilt and proceeds to raid the ACC and Big 12 for 6 members to go to 16: Duke, Florida State, North Carolina, Oklahoma, Texas and Texas A&M. This leads to the SEC, Comcast and CBS to create the SEC Channel, which launches to huge success.
Second attack: The Big Ten
The league wastes no time in scooping up Kentucky to get to 12, but pressure to answer the SEC in full leads new commisioner Kevin Weinberg to get Missouri to leave the rapidly shrinking Big 12. Maryland leaves the shrinking ACC and Rutgers and Syracuse jump ship from the Big East. The coup de grace however is Notre Dame, who tell NBC that their deal is off and accept an invite to become the 17th member...temporarily. University of Iowa officials are pressed by the Iowa legislature to leave the Big Ten and join Iowa State in what's left of the Big 12. After doing so, the Hawkeyes help the Big 12 rebuild(that's a bit later).
Next move: Pac-10
Angry that 4 of it's colleagues have left the Big 12 for other pastures, Colorado convinces Colorado State to join in an attempt to get into the Pac-10. Hearing this, BYU and Utah also want in on the proposal. Though there is some skepticism among the membership of the league, the proposal is unamiously approved. Two days later, Nevada and UNLV are welcomed into the new Pac-16.
Merger mania: ACC and Big East
Down to 8 and 6 teams respectively, the ACC invites the remaining Big East football schools to their league. But first, those 6 BEF teams agree to an amicable divorce with the Big East basketball schools, who create their own basketball-oriented super league. Vanderbilt and Central Florida are added as well. The ACC soon after adopts a new name, the Eastern-16 Conference(headquartered in Providence, RI)
Forced to rebuild: Big 12
Even with a steal in the form of the Iowa Hawkeyes, the Big 12 feels a need to add more teams. Added are Air Force, New Mexico and Texas Christian from the Mountain West and Houston, Memphis, UTEP, Tulane and Tulsa from Conference USA.
WAC-kier days: WAC
With no where else to go to, San Diego State and Wyoming close up the Mountain West and join this conference. Montana, Montana State and Portland State are added from the Big Sky of the FCS, Texas State upgrades from the Southland, SMU and Rice join from Conference USA, North Texas joins from the Sun Belt and Louisiana Tech(despite some initial doubt) replaces the Mean Green in the Sun Belt.
What's old is new: Sun Belt
The last reminants of Conference USA, UAB, East Carolina and Southern Mississippi join in this league, who also adds FCS upgrades in Appalachian State, Charlotte, Georgia Southern and South Alabama, plus Louisiana Tech from the WAC.
Oddly enough, this smaller version of the Big Ten required the least amount of changes. Marshall returns from Conference USA, Temple becomes an all-sports member and both Army and Navy give up football independence to move-in.
The Super-8 boots out everyone else:
Finally in the ultimate twist, these 8 conferences unite to force out every other school from the NCAA, forcing all to seek NAIA membership. (This does not include the Ivy League, who sues to remain in the NCAA. But when the SCOTUS rules against the Ivies, the schools opt to go the independent route.)
Eastern Division: Alabama, Auburn, Duke, Florida, Florida State, Georgia, North Carolina, South Carolina
Western Division: Arkansas, Louisiana State, Mississippi, Mississippi State, Oklahoma, Texas, Texas A&M
Eastern Division: Kentucky, Maryland, Michigan, Michigan State, Ohio State, Penn State, Rutgers, Syracuse
Western Division: Illinois, Indiana, Minnesota, Missouri, Northwestern, Notre Dame, Purdue, Wisconsin
Eastern Division: Arizona, Arizona State, Brigham Young, Colorado, Colorado State, Nevada, UNLV, Utah
Western Division: California, UCLA, Oregon, Oregon State, Southern California, Stanford, Washington, Washington State
Northern Division: Boston College, Cincinnati, Connecticut, Louisville, Pittsburgh, Virginia, Virginia Tech, West Virginia
Southern Division: Central Florida, Clemson, Georgia Tech, Miami(FL), North Carolina State, South Florida, Vanderbilt, Wake Forest
Northern Division: Air Force, Iowa, Iowa State, Kansas, Kansas State, Nebraska, Oklahoma State, Tulsa
Southern Division: Baylor, Houston, Memphis, New Mexico, UTEP, Texas Christian, Texas Tech, Tulane
Eastern Division: Montana, Montana State, New Mexico State, North Texas, Rice, Southern Methodist, Texas State, Wyoming
Western Division: Boise State, Fresno State, Hawai'i, Idaho, Portland State, San Diego State, San Jose State, Utah State
Eastern Division: Akron, Army, Buffalo, Kent State, Marshall, Navy, Ohio, Temple
Western Division: Ball State, Bowling Green, Central Michigan, Eastern Michigan, Miami(OH), Northern Illinois, Toledo, Western Michigan
Eastern Division: UAB, Appalachian State, Charlotte, East Carolina, Florida Atlantic, Florida International, Georgia Southern, Troy
Western Division: Arkansas State, Louisiana-Lafayette, Louisiana-Monroe, Louisiana Tech, Middle Tennessee, South Alabama, Western Kentucky
Do you ahhhhh......realign?