i use a laptop TOSHIBA SATELLITE L555 17.3 HD Trubrite led backlight display AMD Turion(tm) II Dual-Core Mobile M520 2.29 GHz Performance Rated at: 3.893 GHz RAM 4.GB Microsoft Windows 7 Ultimate Edition (build 7600), 64-bit ATI display adapter (0x9712) DirectX version 10 bought it for 450$ looking ...