Plextor's been plenty busy this week, announcing its new M3 Pro SSD and PlexEasy external DVD burner, but the company's not done unveiling new products just yet. Plextor's newest offering is another external DVD burner, the easily remembered PX-612U. Like the PlexEasy, it connects via USB and works with TVs and media streamers without needing a PC. That's possible thanks to some secret sauce called PlexTV (not to be confused with the media client), which acts as a code translator to make the PX-612U's output mimic a HD