There were leaks that came out in the market and that said that Apple is going to begin sakes of its unlocked iPhones at U. S. Apple Stores from Wednesday. Besides that it would also be adding voice recognition support in the phone which is called Nuance in iOS 5.
Then there is another updated in the market too that says that Chronic is going to issue unlocked GSM iPhones, not new MacBook airs. It has been claimed that the source for the same is "mixed up part numbers." Rumors say that a part of the unlocked iPhone 4 models are MC603 (16GB, Black) MC604 (16GB, White) MC605 (32GB, Black) MC606 (32GB, White).
Chronic is used by Twitter and is one of the major sources for leaks on Apple. It was an early leak in Chronic that suggested about the unveiling of the product on Wednesday. It was also added that the product would be displayed on Tuesday night itself and would be part of the Back to School promo.
All these leaks are a part of the AppleInsider report and said that it would soon begin mass production of revitalized MacBook Airs this month itself.