Newegg via eBay offers the 6-lb. Asus Intel Haswell Core i7 2.5GHz 15.6" Gaming Laptop in Black Aluminum, model no. N56JK-DB72, for $749.99 with free shipping. That's $299 off list and the best price we've seen for any 1080p laptop with a quad-core processor, 12GB RAM, and 4GB video card. Features include an Intel Core i7-4710HQ 2.5GHz quad-core processor, 15.6" 1920x1080 (1080p) display, 12GB RAM, 1TB hard drive, NVIDIA GeForce GTX 850M 4GB graphics card, 802.11n wireless, Bluetooth 4.0, Blu-ray/DVD burner, backlit keyboard, and Windows 8.1 64-bit.
Update: Specs corrected.