These bands are good:

Ludo
Taking Back Sunday
Coldplay
Secondhand Serenade
Cute is What We Aim For
Matchbook Romance
Owl City
Matt & Kim
Dr.Manhattan
The Academy Is..
We the Kings
nevershoutnever!
Blink 182
Fountains of Wayne
3OH!3
Panic! At the Disco
Spill Canvas
Tokio Hotel.