Computers that are primarily used for gaming should have high performance and excellent display features in order to enjoy the experience. You need to choose a machine with a sophisticated graphics card, high RAM and a hard disk capacity between 320 GB and 1 TB.
Alienware is the leader in this market; however, it is quite expensive. In case you are not able to afford it, you can look for other systems that are equally competent.
Alienware M17x: One of the best choices for laptops suitable for gaming purposes, this system costs about $1800. With a 17-inch display and a default 4 GB RAM, this is a great choice if you are interested in purchasing a high performance machine. You can upgrade the RAM to 6 GB or even 8 GB to improve the performance. The default hard disk space in this machine is 250 GB.
Alienware M15x: A medium sized laptop with some cool features to suit your gaming experience. It is heavier than the M17x model. The screen is a little about 15.5 inches. The cost of this system is approximately $1200.
Asus Republic of Gamers G73Jh: This is a relatively affordable laptop and a good deal for getting an optimal gaming performance. It is equipped with a 1 TB hard disk and 8 GB RAM. Weighing a little less than 7.5 pounds, this laptop approximately costs about $1545.
MacBook Pro 15-inch: Costing about $1,700, this laptop comes with a 7-hour battery life, 4 GB RAM and a 250 GB hard drive. The screen size is a little less than 14.5 inches.