There is a ton of podcast and audio news floating around.  Here is a summary (I hope it is helpful):

Apple Podcast News Coverge:

• Apple
  adding podcast
  feature to iTunes upgrade
• Podcasters
  Tune into Apple
• ITunes in The Podcast
  Business
• Apple
  to make iPod podcast-friendly
• Jobs
  teases with Podcast-ready
  iTunes beta

Other News:

• Oral history project embarks on 24-city tour via CNN
• Podcast
  Hotel Moves to September
• Techpodcasts.com
  Hits 100,000 Listeners
• Advertisers
  Going Ga Ga About Podcasting
• GoDaddy.Com Launches
  ‘Radio Go Daddy’

New Podcasts:

• Dan B @ Software Garden
• Update
  on BusinessWeek’s First Podcast
• Internet
  World Show Podcast
  Announced
• CBS
  Radio News Developing Podcast
  Strategy
• Jupiter Analysts to Podcast
• ABC, NBC News launch news
  podcasts
• ‘Chicago
  Defender,’ Long a Web Holdout, to Launch a Podcast
• Rush
  Limbaugh to podcast,
  as list of MP3 voices grows
• Podcast Outlaws

Tools:

• WebPod
  Studio: New Audio & Video Podcast
  App
• LibSyn has new offerings
• New Potential Music for Podcasters Site