The Kobo can be seen as a low-cost version of Amazon's Kindle -- retailing at about half the price. It mimics the Kindle's design and feel -- its white case is about 5x7 inches and weighs less than eight ounces -- and Wired went so far as to wonder whether it would be the real Kindle-killer. I can see a future where the iPad dominates the high-end of the e-reader market, with a large, full-color screen for reading graphic novels, comics and art-heavy books. Kobo, which will be sold at Walmart among other places, could siphon off consumers looking for a cheap e-reader. Still, it has a long way to go to knock out the dominant Kindle.