Both models of the iPad remain sold out or in short supply across the U.S. heading into the device’s launch in nine countries next week. Citing a note from Piper Jaffray analyst Gene Munster, AppleInsider reports that out 50 Apple retail stores contacted, 74% were sold out of all models of iPad, with the iPad with Wi-Fi available at 24%, and no iPad with Wi-Fi + 3G units available at any of the stores. The report notes that the shortages have…
