Which recent indie/alternative bands do you expect to have staying power?

In this brave new world of instant buzz, blogs as tastemakers, and leaked MP3s, breaking through has never been easier, but achieving longevity is another story. Which recent buzz bands do you believe will still be relevant in half a decade? Which will be Pitchfork era one-hit wonders? Consider the likes of the Drums, Sleigh Bells, Band of Skulls, the xx, the Vaccines, Glasvegas, Crystal Castles, Tame Impala, Vampire Weekend, the Smith Westerns, etc. -- Bonus Q: Favorite debut album of the last five years?