So Eric I saw your list of bands you've seen and decided to do my own (although it's not as extensive as yours). So here we go:
98 Degrees (my very first concert)
Alien Ant Farm
311 (x3)
Dashboard Confessional
Maroon 5
Papa Roach
Unwritten Law
Something Corporate
Less Than Jake
Thrice
Waking Ashland (x2)
Piebald
Strata (x2)
Smile Empty Soul
Trapt
Finger Eleven
Gavin DeGraw
Michael Tolcher
Yellowcard
Taking Back Sunday
Good Charlotte
Story of the Year
Lonestar
Jimmy Wayne
The Verve Pipe
Knee Deep Shag
Matt Nathanson
Bowling for Soup
Recycled Percussion
Stroke 9
19 Wheels
Blessid Union of Souls
John Mayer
The Thorns
The Garden Party
Chris' band (I don't remember the name)
Chinese Happy
Dance T.V.
Miligram Smile
Oh and I almost forgot The Format