Does anybody know exactly when the iphone will be available .?
Answers: There is no exact date at this time. Apple HOPES for late June. The FCC have not approved the iPhone for use, yet. The iPhone have to be approved for use by the FCC before it can be released.
Read the bottom of this page: http://www.apple.com/iphone/Recently Apple IPhone Gets FCC Approval and very soon have green muted to sale the unsullied Iphone.
According to Apple's public-relations “Apple is on track, as the company has repeatedly said, to ship the iPhone within late June – as scheduled”.