Indie pop rock - used to have a straight rock format, but their new stuff is so much more interesting. You'll have to click Enter Spoon then Songs to get to the good stuff. I recommend starting with Girls Can Tell and working your way up.
Texas
2008 SXSW BitTorrent
In years past the South by Southwest music festival has released a BitTorrent with DRM-free songs showcasing the artists in the festival. This year you have to download each one individually. However, thanks to this unofficial site, you can get the 2008 showcase (764 artists in all) in one BitTorrent file.
Ringo Deathstarr
My beloved shoegaze is making a comeback. Throbbing droning static drenched fuzz that gives the sensation of speed by way of souped up straight tail pipe muscle car power. So OK it's filled with mopey mop top nerds, but hey! Here's two tracks: Sweet Girl and Some Kind of Sad (demo).
Iron & Wine
Raised in South Carolina, Beam released his first album, The Creek Drank the Cradle, on the Sub Pop label in 2002. Beam wrote, performed, recorded, and produced every track on the album by himself at a studio in his home. His music is often characterized as alt-country, progressive folk, or indie folk, and lyrical themes often follow a Southern Gothic paradigm. -Wikipedia
Okkervil River
up-tempo indie pop rock with clear tenor vocals and crunchy guitars - lyrics passionate and heavy with metaphor - download the Golden Opportunities mixtape here