For years, Kindle users have asked Amazon to make a color version of its e-reader. Now, the company is finally delivering: it’s launching the new Kindle Colorsoft Signature Edition, a device that has a lot in common with the new Paperwhite, except instead of black and white it’s color all over. The Colorsoft costs $279.99 and is available for preorder today, with shipments starting October 30th. Making the Colorsoft happen, Amazon executives said at a launch event on Tuesday in New York City, required a lot more than just swapping in a new display. “Frankly, the technology just wasn’t ready”...