That we didn't spot a successor to Mitsubishi's well-received line of Unisen LCD HDTVs at CES 2011 should have been a signal, but now the company has made it official -- it is downsizing TV operations, closing some offices and leaving the LCD TV business entirely. As the only company still selling rear projection sets to consumers, a letter from senior VP Cayce Blanchard (included after the break) indicates the plan is to focus on selling DLP and Laservue TVs in sizes above 73-inches where its flat panel competitors rarely reach. It will also keep selling projectors, display walls, printers and