For all your owners of the new camera enabled Apple iPod Nano, there is a new software update available via iTunes for you.  This update fixes known issues with Genius Mixes, VoiceOver, and some other minor issues.

The big fixes:

• playback settings for audio books (normal, slower, faster) now work for audio podcast playback as well
• Genius Mixes now work in conjunction with Nike + iPod
• fixed an issue with headphone controls when using Voice Over; VoiceOver menu items
  

  are omitted when you navigate using the up and down volume control on your headphones

Thanks to Geek.com for the news!