Two more dates have been posted on the Joe Walsh site:
September 24, 2008 - United Center - Chicago, IL
Amex Pre-Sale: Sun 6/1 10am - Sun 6/8 10pm
Public On Sale: 6/9 10am
September 25, 2008 - United Center - Chicago, IL
Amex Pre-Sale: Sun 6/1 10am - Sun 6/8 10pm
Public On Sale: 6/9 10am