For the past few years, Apple has kept the iMac on the sidelines, instead choosing to focus the spotlight on its portable and mobile offerings.
The iPhone remains Apple's cash cow, and the fervor is palpable every time a new version is released. The MacBook Air and MacBook Pro with Retina Display are two ultra-slender notebooks that impress with both their design and their performance. And the iPad, which debuted all the way back in 2010, has some wondering if the notebook is even necessary anymore. As each of these products was unveiled, the current iMac design – originally introduced in 2009 – routinely underwent quiet upgrades. It was barely mentioned at Apple's splashy media events.
Not this time – when Apple debuted the new iMac alongside the iPad mini and a newer Retina display iPad at its media event last October, it was the iMac that turned the most heads. Sure, the iPad mini was the hot item of the day going in, but the stunningly thin iMac generated more buzz than we were expecting. It certainly made the jaded digerati leap to Twitter with excitement.
This is a damn sexy piece of machinery – at its edges, the iMac measures a mere 5 millimeters thick.The design, an impressively slender all-metal case capped by edge-to-edge glass, garners wows. But the fact that Apple managed to pack in a real computer – in my tester, a 3.1 GHz quad-core i7 processor, 16 GB of RAM, and a 1TB Fusion Drive running OS X Mountain Lion – is just as commendable. This thing doesn't just look good, it knows how to work it, too.
From the front, the new iMac is almost indistinguishable from the last iteration. It has the same folded-metal base, and beneath the black-edged display is the same silver "chin" with a shiny black Apple logo in the center. It's not until you spin the thing to the side that you notice its almost unfathomable slenderness and gentle curves.

