Who sings the best version of "Landslide?" Stevie Nicks, Smashing Pumpkins or The Dixie Chicks?

I don't think the Dixie Chicks version is any slower than Stevie Nicks' version. I'm no country fan, but I've always hated Nicks' sheepy voice, so I'm going with the Chicks. The Pumpkins version is meh...