You can save $50 on a new Kindle Colorsoft e-reader if you're an Amazon Prime member

This past October, Amazon refreshed its Kindle E Ink lineup with a handful of devices, including the Kindle Colorsoft, a new e-reader from Amazon that offers a color E Ink screen similar to Kobo's Libra Colour and Klara Colour that launched last April. It's Amazon's first color E Ink e-reader, and as new tech, it's one of the more expensive Kindles, retailing for $280.