Apple’s original iPad has taken off to levels none of us anticipated when it was launched one year ago. Though it has very recently gotten some competition in the tablet space, the iPad still dominates the market and mindshare of new tablet buyers. After having sold 15 million units in nine months last year, Apple has now refined its design with the introduction of the iPad 2.

What, exactly, is new about the iPad 2 that differentiates it from the previous model? That’s what we’re here to tell you. We reviewed the 16GB WiFi-only iPad—same as the model we used for our original iPad review last year—and for aesthetic purposes, we chose black over white. (What can we say? We like a good visual screen pop.) So, on with the show.

via Ars reviews the iPad 2: big performance gains in a slimmer package.