The Kindle Paperwhite is one of the best e-ink e-readers on the market. It not only has a brilliant screen but it comes with lighted display, saving you from having to pick up a light for it. You are still going to need a case like one of these to keep your device protected though:
Amazon Kindle Paperwhite Leather Cover: the official Amazon case for the Kindle Paperwhite. It will wake or put your device to sleep by opening or closing the cover. It is made from natural leather.
Marware Eco-Vue Genuine Leather Case: designed for those of you who are looking for an eco-friendly case for your e-reader. It is RoHS compliant and has soft microsuede interior for added protection.
Verso Versailles Cover: designed for the Kindle Touch and Paperwhite. It has soft interior with pocket for holding receipts and travel documents.
Marware Eco-Flip Genuine Leather Case: a flip-style case for Kindle Paperwhite. Some people prefer this style of case for long reading sessions.
Amazon Kindle Zip Sleeve: available in 5 colors, this case is compatible with Kindle Touch and Kindle Paperwhite. Useful for carrying your Kindle with you everywhere you go.