Here are some features it has already:

- RSS feed for articles

- Overused word black list

- Customisable writing style or "voice"

- Customizable "tags" to focus story picks

- Story count limiter

- Introduction and episode highlights

- automatic audio stitching

- intro and outro music

- article and title summarization and commentary

- lots of error logging

- final podcast transcript generation

Here are some final additional features I'm still trying to get working:

- better environment for the word black list

- a "covered articles" log to keep from covering the same story on a different episode

- automatic epusode details and meta data generation

- automated push to podcast hosting service

- an orchestration script that will execute the scripts in order with a server cron job