In a big blow over its rival Netflix, Amazon has agreed to a deal with HBO to license some of its shows on Prime Instant Video, the first time HBO has ever done a streaming deal. Not all shows will show up, with current hits and shows tied up in other cable deals held out, but come May 21, you’ll be able to find old episodes of the Sopranos, Deadwood and Flight of the Conchords there/ [Source: Entertainment Weekly]