We recently reported that many Apple retail stores are running low on stocks of AirPort devices, and this is usually a strong indicator of an upcoming product refresh. 9to5 Mac has followed up on that and says its sources claim a refresh is indeed imminent. A new version of the Time Capsule, currently undergoing internal testing at Apple, will cache software updates for any devices that regularly connect to its Wi-Fi network. The device will "learn" which devices regularly connect to it and silently download updates for them in the background without user i
