You can drag a playlist from iTunes and drop it on the "New Playlist" button in ...

parbo on July 17, 2011 | parent | context | favorite | on: Spotify vs the US Competition

You can drag a playlist from iTunes and drop it on the "New Playlist" button in the left sidebar in Spotify. I don't know if it works with Genius lists, but it works with "Recently Played" and other dynamic lists.