Warped is just an excuse for people to say "OMG I saw all these bands play"... when in reality, they were like 300 feet from the stage, like 10 bands were playing at once, and they just found out about them, but brag about seeing them. Done.
Anarbor
Attack Attack
Bring Me The Horizon
Last Call Chernobyl
Mayday Parade
Motion City Soundtrack
NeverShoutNever
Sum 41
The All-American Rejects
The Rocket Summer
We The Kings