at Sheraton Gateway Suites O’Hare on 19 May 2014 – 23 May 2014

at Sheraton Gateway Suites O’Hare on 14 May 2013 – 17 May 2013

at Sheraton Gateway Suites O’Hare on 22 May 2012 – 25 May 2012

at Sheraton Gateway Suites O’Hare on 24 May 2011 – 27 May 2011

at Sheraton Gateway Suites O'Hare Hotel, Rosemont, IL on 18 May 2010 – 21 May 2010

at Dallas, Tx on 26 Sep 2009 – 27 Sep 2009

at Los Angeles, CA on 24 Sep 2009 – 25 Sep 2009

at San Francisco, CA on 22 Sep 2009 – 23 Sep 2009

at Chicago, IL on 20 May 2009 – 22 May 2009

at Chicago, IL on 19 May 2009 – 23 May 2009