Radiohead confirms US tour dates, and amazingly the South is represented. Supposedly, this is just the first batch:

May 5 - Cruzan Amphitheatre - West Palm Beach, Florida
May 6 - Ford Amphitheatre - Tampa, Florida
May 8 - Lakewood Amphitheatre - Atlanta, Georgia
May 9 - Verizon Wireless Amphitheatre - Charlotte, North Carolina
May 11 - Nissan Pavilion at Stone Ridge - Bristow, Virginia
May 14 - Verizon Wireless Amphitheater - St Louis, Missouri
May 17 - Cynthia Woods Mitchell Pavilion - Houston, Texas
May 18 - Superpages.com Center - Dallas, Texas