Given DigiTimes' spotty record when it comes to pushing rumors you might be inclined to read "Digitimes Research" as a kind of oxymoron. Unfortunately, as long as Amazon refuses to publish specifics with regard to units sold, these analyst estimates are as good as it gets. What's interesting is that DigiTimes' checks at upstream suppliers reveals that Barnes & Noble's Nook accounted for 53 percent of all e-book readers shipped to US vendors in March. Interesting since Kindle is Amazon's bestselling product and an increasing share of the company's revenue is based on sales of electronics
