Kindle Paperwhite, 6" High Resolution Display with Built-in Light, Wi-Fi - Includes Special Offers
Kindle, Wi-Fi, 6" E Ink Display - includes Special Offers & Sponsored Screensavers
+ Frontlight that produces uneven splotches, creates dark spots at the bottom, and turns screen blue.
+ Negligible increase in resolution
+ Better battery life (although battery life estimates were reported using a brightness of "10", which is misleading when the maximum is 24).
- No mention of better processor speeds.
- Larger, thicker, and heavier than last-gen Kindle.
- Smaller storage space
- Over 2.5 times more expensive, even with Special Offers (last-gen Kindle was $47 just a few weeks ago.) Basically, you're paying $70 more for a built-in light.
- Capacitative touch display. Quote from Bezos: "The current technology for touch screens -- it's called capacitive touch -- is a layer that goes on top of that display. It adds glare. We want a device that's uncompromised for reading." Looks like they compromised.
- Removal physical buttons. Physical buttons are more difficult to trigger accidentally, make it easier to read one-handed, allow for more reading positions, make typing easier, let you have a thinner screen, and don't get fingerprints on your screen. There's no reason to not at least include them in addition to the touchscreen (see: Nook SimpleTouch).
- Removal of audio features: no Text-To-Speech, no headphone jack, no speakers.
- Lighting is uneven
- Lighting produces a bluish hue
edit: I originally put "Paperwhite e-ink" as a pro for its advertised better contrast; however, as this video demonstrates, the Kindle Paperwhite has the EXACT SAME CONTRAST as the old Kindles!