Toshiba Puts HD-DVD on Diet. Result: HD-A2 Stephen Fung December 12, 2006 The Toshiba HD-A1 was big and chunky and took a very long time to load a disc. People who pulled it apart discovered that it was nothing but an ugly PC inside. The new HD-A2 improves on the ugly and chunkiness by being much slimmer. It’s also a whole lot faster. Via:Home Theatre Blog Share This With The World!