Best Buy offers the Kingston 16GB Wi-Drive WiFi Storage for Apple iPhone, iPod, and iPad, model no. WID/16GBZ, for $59.99 with free shipping. (Amazon charges the same.) That's $3.75/GB, $10 under our mention from a month ago, and the lowest total price we've seen. The Wi-Drive provides an additional 16GB of media storage, via 802.11n connectivity, for an iPhone, iPod touch, or iPad. It can be shared with up to two devices at once.