With a sponsorship from AT&T, Amazon has dropped the price of the Kindle 3G to $139.
The Kobo Touch with Offers is now available for $99.
Amazon will be shipping a new $114 ad-supported Wi-Fi-only Kindle on May 3--the Kindle with Special Offers.
Kobo Touch with Offers is the essentially the same as the Touch, but it comes with screensaver advertisements and a lower price tag.
Amazon bets the total Prime package -- shipping, e-books, video and now music -- will draw new members, even with a limited streaming-music catalog compared to rivals.
Amazon is widely expected to unveil a video-streaming device, putting it in the same competitive field as Apple's Apple TV, Google's Chromecast, and the family of Roku boxes.
Amazon has chopped £20 off the price of its tablet, possibly in response to similar cuts from Barnes & Noble.
Customers buying the Kindle Paperwhite through Amazon International are now getting their devices shipped directly to Aussie shores.
Apple has taken the lid off the much-rumoured iPad mini. But how does it stack up against the 7-inch competition?
Amazon's Paperwhite Kindle is coming to the UK, with deliveries kicking off before the end of the month.