Download the new client from Apple and iTunes will help you find, download, subscribe, and listen to podcasts on your PC. I’m using it right now at work and I gotta tell ya – if you have an iPod it’s a no-brainer, but even if you don’t you’ll love it just to listen to all that is available – and now easy to use.
Dave Winer will probably be the best source of coverage for publishers so check there for any potential impact on you.