use airtunes with any app (like DVD player)
slipstream was introduced today. its cheap and awesome, and allows you to stream audio from whatever app youre using to airtunes.
http://www.rogueamoeba.com/slipstream/
edit: wow this is totally software and not current hardware...
http://www.rogueamoeba.com/slipstream/
edit: wow this is totally software and not current hardware...