Amazon announces the $99 Kindle Fire HD 6. The six-inch tablet can be pre-ordered now, with US deliveries excepted to ship next month. The release dates for the UK and Australia are not being revealed at this time. The tablet comes in several colors, and with a six-inch screen it is one of the smallest tablets currently available. It has a 1,280 x 800 full-HD resolution screen (252 pixels per inch) and comes with 8GB of memory. A 16GB version is also available for $119.