looking for software or a way to......

[Slapshot]

I want to be able to listen to mp3's and have the pc turn itself off in an hour or so. I want it to work like a sleep button on an alarm clock. Any one see this or know how to do it? Thanks

[davidspalding]

:idea: Program a play list that lasts an hour. Have power settings configured to shut down after x minute unused. ...?