There's no question that Alienware's M17x with dual-GPU system is one the most powerful -- if not the most powerful -- laptop out there right now, but at 15.4 pounds and a sub-two hour battery life, the definition of "laptop" is being stretched a bit here. A handful of reviews have hit the interwebs, and the none too startling consensus is you'll be paying for the best here, especially with configuration options that can slot up to $5,000 -- CNET Australia suggests looking at the ASUS W90 if you want a better bang for your buck. The capacitive buttons above the keyboard aren't too responsive, there's no multitouch, and Hot Hardware noticed some flex in the cente
