what kind of music are they, im guessing bluegrass?
They're indie rock. I don't really know how to describe them beyond that. If you've heard Death Cab for Cutie, Band of Horses is kind of in the same ballpark (but better, IMO). They're also from Seattle and on Sub Pop records.
love that type of crap, like keane, snow patrol, etc. i'll have to check it out when i get out of western kansas

. you should check out marjorie fair (not a chick singer, it's the name of a band). VERY, VERY, VERY good. i have no idea why they aren't any more famous, they're not some obscure weird indie band like a lot of them out there. let me know what you think of them.