Castopod allows podcasters to embed their transcripts - thanks to the PodcastIndex transcript tag - so that any app can provide better accessibility.
@martin's Podfriend , @podcastaddict, @podcastguru, @StevenB's CurioCaster already display transcripts!
More on http://NewPodcastApps.com/
I almost forgot @mitch's excellent Podverse! 😱
@martin @podcastaddict @podcastguru @StevenB