After being down for nearly 3 hours, Apple's online store is back up and features the iPhone for sale. 4GB $499: Shipping in 2-4 weeks 8GB $599: Shipping in 2-4 weeks Apple also published an official guide of accessories for the iPhone. The $129 Bluetooth Headset was not yet available at retail locations. The iPhone also went on sale tonight at 6pm at retail stores across the country to (reportedly) sell out crowds at many locations. Iniitial impressions are being posted to our forum, but some users have been having activation issues.