Actually, add the 5th pod of Texas, Baylor, Oklahoma, and Oklahoma St, and rotate playing pods each year, you add good football and basketball.ND, Pitt, BC, SU
VPI, UVA, Ville, WVU
UNC, Duke, NCSU, WF
Clemson, GT, FSU, Miami
Trying to create competitive balance by artificial means never works out. Group the teams geographically and give the fans the matchups that they want to see.
You surround the SEC and cutoff the Big 10 from getting into the south.