Here are some more venues Ive been to that I enjoyed.
Riverbend Music Center- Cincinnati
Pepsi Center-Denver
Philips Arena-Atlanta
C.W. Mitchell Pavilion-Houston
Qwest Center-Omaha
Toyota Pavilion-Scranton-This place is in such a beautiful setting
Oh and
attention Luke 
Ive always been fascinated at the thought of seeing a show at The Gorge in George Washington. Have you been there? also Clark County Amphitheater in Ridgefield Washington and White River Amphitheater near Seattle. Have u been to either of those as well and what do you think if you have?