It all depends on how much money you want to spend. I built my PC for roughly £500 3 years ago and that's with an AMD 1090T 6 core processor, Asus M4N98TD Evo Motherboard, 2 nVidia GTX 260 graphics cards running in SLI (two joined running together as one), 8GB of RAM, 1TB HDD, Antec Case and...