Well, we knew T-Mobile was promising an "easy transition" for Sidekick owners once Danger's long-running cloud service was shut down later this spring, and we now finally have the details on exactly what that transition will entail. According to a letter sent to Sidekick owners and obtained by TmoNews, the carrier will be offering either fifty percent off "select" Samsung phones purchased on a new two-year contract, or a waived early termination fee between March 31st and May 31st for those that prefer to just pack up and go