iPhone availability checker tracks Apple Store stock (Macworld.com)

Macworld.com - As the old expression goes, “Forewarned is forearmed.” However, as I was disappointed to learn, forearmed is not four-armed—unless you're Doctor Octopus. But if you’re in search of a new iPhone 3GS, you’ll want all the information—and arms—you can get. Fortunately, Apple has once again posted its iPhone Availability Checker to let you know about the status of iPhones in its hundreds of retail stores. (link)