The successor to last year’s Kindle Fire tablet, Amazon has officially unveiled the new Kindle Fire HD. Offering a brand new custom HD screen, the tablet features exclusive Dolby audio alongside Wi-Fi connectivity, a powerful processor and graphics engine, as well as the likes of X-Ray for Movies, X-Ray for Textbooks, Immersion Reading, Whispersync for Voice, Whispersync for Games and Kindle FreeTime. Starting at $199 USD for a 7″ tablet with 16 GB of storage, the Kindle Fire HD also comes in an 8.9″ version with a large-screen 1920×1200 HD display with 254 ppi and an OMAP4 4470 processor and graphics engine. Retailing for $299 USD for 16 GB of storage or $369 USD for 32 GB, the 8.9″ display is also available with 4G LTE connectivity and 32 GB or 64 GB of storage for $499 USD and $599 USD, respectively. With the 7″ due out on September 14 and the 8.9″ set for a release on November 20, each option is available to pre-order now directly from Amazon.