Now that Alienware's latest gaming notebooks have broken free from their classified captivity, perhaps you'd like to know how their form factors stack up? Well, we just so happen to have gotten our grubby paws on the extraterrestrials, and they're looking mighty fine. We'll warn you though, that the chart-topping M18x is a beast in more ways than one -- it may not be a literal 600-pound gorilla, but after one heft of its 16-pound frame we started wondering if luggables were back in vogue.
While the M18x's
