‘Space Exploration Technologies, or SpaceX, of Hawthorne, Calif., on Friday targeted May 19 for the launch of its upcoming demonstration mission to the International Space Station. Liftoff time is at 4:55 a.m. EDT, with a launch window that is instantaneous. ‘
UPDATE: Earth! I want to stay on Earth!
SECOND UPDATE: SpaceX got their rocket off the ground this morning, 22nd of May, 2012, at 3:45 am. It reached orbit and successfully deployed its solar arrays some 12 minutes or so later. From the Spacex website: