Laptop wise: the Alienware 17 is the best all around.
Desktop wise: the new Area-51 (Not out yet) is going to be the best because of its new airflow centered design.
Basically, the more money you spend the better. You can customize a laptop to be up to $7000 and a desktop can reach $10000
Alienware's most powerful desktop computer is the Area-51 ALX. Their most powerful laptop is the M17x.
get an alienware they are the best bang for the buck when it comes to gaming
Alienware m11x
the badass ones are from Alienware
The population of Alienware is 490.
The best way to buy cheap Alienware laptops is to buy previously used ones. You can find many high quality, used Alienware laptops on auction sites. Source: http://www.usedalienware.com/
Any Alienware brand computer.
alienware or even better a Mac Pro
The Alienware laptops actually have great speakers on them.
Yes, we typically carry Alienware [Dell] computers in a few stores, but the entire selection is typically available on our website.
Alienware is the best gaming desktop.
According to http://computers.toptenreviews.com/gaming/ the best desktop for gaming is the Cyberpower PC Black Pearl. The best would, however, be a personal choice and be dependent upon price and type of gaming.