Last night Amazon announced two new models of their Kindle ereader available for pre-order for delivery starting August 27, and with a new wi-fi only model to sell for a low, low $139 they are continuing to press the price competition as well. Still able to attract high-profile press from all over, Amazon ceo Jeff Bezos trumpets the less expensive model as a “mass market device,” even as it follows the $149 wi-fi Nook and Borders/Kobo $149 plus $20 gift card reader. Amazon’s new wireless model will still sell for $189.) With the current model out of stock and not […]