OK I want to upgrade from a 622 to 722, but I have a bunch of stored movies and such on my 622. Is there any way to attach both recivers via USB or something and move the movies? What about via USB drive? I see threads that hooking up the USB drive to a different receiver it wants to reformat it? I woudl just add the USB drive, but I see it is still buggy and the pain of moving programming back and forth seems annoying.