Is there an am/fm ipod adapter for the iPod that will allow you to record radio shows at a certain time of day and/or record the last 30 minutes of radio.
That way if you are listening to a talk radio show and your not sure of what they just said, you can back it up a little and hear it again.
You could also fast forward thru the commercials if you record the shows.
Maybe a hardware/software combination would make this possible.