Daily RSS feed sounds like a good idea. RSS used to have the concept of media enclosures or something. Perhaps if I can embed the audio into that, people can listen right there? On the other hand, that will have fewer people visiting the website :D Heh.

2. My somewhat long term product idea is to let the paper submitters volunteer to read out their abstracts, if they choose. But some amount of automated TTS will always remain, given the sheer volume of content.