Podcast Channels lets you setup 'Category-Casting' -- a different podcast per category.
Add episode author and episode category options - including taking episode author from the ID3 tags. (Plus a number of other bug fixes and improvements.)
Added initial Feedburner support
Making it work with WP 2.7
important bug fix (i am an idiot)
Added duration and explicit metadata for audio items in the Media Library. And got the Title and Link data working too.
Just starting out, something to get it working