Discuss SEC, Big 12, ACC title games

Berths in the BCS Championship Game are on the line Saturday in the SEC and Big 12 title games. With a win against Nebraska, Texas could face the survivor of Florida-Alabama. Those aren't the only games we'll be watching, though. From Pittsburgh to Tampa, conference championships will be decided. ESPN.com's college football experts will break down the games and discuss all the championship week action. Contribute your thoughts and questions starting at 3:30 p.m. ET.

Join other fans in the conversation around the Florida-Alabama and Texas-Nebraska games in Section 140.

ESPN.com's Virtual Pressbox: Championship Weekend