Check this thing out. Sick accessory for the I-phone. You have to watch the little promotional video at the bottom. Pricey (650$), but sick!
http://v-moda.com/vamp/
Here is a direct link to the video...
heh... ok, it's a cool gadjit, but that was quite possibly the worst piece of marketing I have ever seen. I've no idea why a playback system would have anything to do with spying, 007, etc.
Also, this device will be obsolete in exact 8 days, just like all other iphone/ipad accessories, due to the dock connector change.
V moda makes great stuff!