Apple’s online store has been updated to include the recently announced 128GB capacity fourth-generation iPad with Retina display. Both the Wi-Fi ($799) and Wi-Fi + Cellular ($929) versions are available now in black or white. The Wi-Fi iPad is available to ship in one to three business days, while the Wi-Fi + Cellular iPad availability differs based on the network carrier — AT&T is currently showing a shipping time of one to three business…
