Your favorite e-reader just received an impressive update, in the form of Amazon's Kindle Paperwhite 2 ($120). While it still has everything you loved about the first Paperwhite — a glare-free display for easy reading in direct sunlight, eight weeks of battery life, built-in WiFi and free 3G, and Amazon's generous selection of books — the update gives readers an even better experience. Its new display features higher contrast, with whites so white and blacks so black it feels almost like reading a book, while a built-in light helps prevent eyestrain at night. A faster processor, more accurate touch response, Goodreads integration, and more make this a worthwhile purchase, especially if you're still flipping old-fashioned pages. Available this month.