We know, the little possibility that the whole deal could fall apart has been keeping you wide awake for months, but at long last, you can push aside your anxiety and hit the sack. Virgin Mobile USA announced today that it had "completed its acquisition of Helio," and all of the terms put forth on June 27th were used in the final close. Aside from garnering all the necessary regulatory approvals, Helio shareholders SK Telecom and EarthLink have received 13 million shares of Virgin Mobile USA Class A common stock, with a value of around $38 million. It's also noted that both SK Telecom and Virgin Group will each invest a cool $25 million in Virgin Mobile USA for preferred shares. And then, there was one.