SWITCHFOOT! yea rock on dude
i also like Something Corporate, Reel Big Fish, 3 Doors Down, Trapt, Deathcab, and Jason Mraz to name a few
if you need some cheering up, listen to the song "Sell Out" by Reel Big Fish, it will make you get up and dance I had it on repeat for hours yesterday, i love the instrumental part SO MUCH!!