Lenovo Ideapad Z580 3rd Gen Core i7 15.6" Notebook $565 at Lenovo

Lenovo has the refurbished Lenovo Ideapad Z580 - 2151XC3 15.6" 3rd Generation Core i7 Dual-Core Notebook (Black) for $565 with free shipping. Windows 8 64-bit installed. Site states Intel HD 3000 graphics, though HD 4000 is accurate per Intel specs.

Intel Core i7-3520 2.9GHz, 8GB DDR3, 1TB HDD

Intel HD 4000, Bluetooth 4.0, 802.11b/g/n, 6-cell