This is probably a profitable venture for both Apple and Target. Sure, most of the gift card revenues probably go to Target, but Target sells the iPod. Having ITMS gift cards may make the iPod look more viable, and in turn drive more iPod sales. On the other hand, having ITMS gift cards right next to iPods is a great add-on opportunity. Apple gets big profits off the iPod, and possibly the gift card, and Target gets money for both.