For those of you in the KC area, primarily Overland Park, Jim Butcher is going to be at the 75th and Quivira Borders Express on June 9th. I'm not sure about the time but they told me about the date the other day.
Borders Express
7311 Quivera Road
Shawnee, KS 66216
Phone: 913.962.1428
If you call i'm sure they'll give times.