iPM is a weekly programme as well as a podcast. You can discuss ideas with the production team on this blog and during the course of the week you can view and comment on stories that are being lined up for Saturday's programme.
Tun3r is a web 2.0 style interface consisting of a mosaic of hundreds of internet radio stations you can listen to. Dragging the tuner to one of the little pictures brings up the station information, including its recent playlist and gives you the option