Last year, Amazon's Kindle tablets really grew up. They got fantastic and stylish new design, and a software update to back it up . This year, Amazon's trotting out a new 8.9 Kindle Fire HDX with faster guts. You won't find a 7-inch version if that's what you're looking for, but Amazon does have some staggeringly cheap new Kindle Fire HDs to take its place for just $100 a pop.Read more...