One of the better solutions out there for economy gaming laptops is the HP Envy 15z-j100 right now. I maxed out an HP custom config with everything except hard drive upgrades and a DVD drive (it does not have an internal one), and got this:
Components:
• Windows 8.1 64
• AMD Quad-Core A10-5750M Accelerated Processor
• 2GB AMD Radeon™ HD 8750M Discrete
• 15.6-inch diagonal Full HD BrightView LED-backlit Display (1920x1080)
• 8GB DDR3 System Memory (2 Dimm)
• 750GB 5400 rpm Hard Drive
• No Additional Office Software
• Security Software Trial
• 6-Cell Lithium-Ion Battery
• No Internal DVD or CD Drive
• Backlit Keyboard
• HP TrueVision HD Webcam with Dual Digital Microphone, Fingerprint...