Amazon offers the Kingston 16GB Wi-Drive WiFi Storage for Apple iPhone, iPod, and iPad, model no. WID/16GBZ, for $43.98 with free shipping ($2.75/GB). That's $16 under our January mention and the lowest total price we've seen. (It's a current low by $5.) 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.