NVIDIA's had some trouble shaving its Kepler GPUs down to an entry-level price point, but it looks to have put the problem behind it with the new GeForce 660 and 650 graphics cards. The company's ambition was to coax impoverished gamers clinging to DirectX9 (and to a lesser extent, 10) into switching up to this wallet-friendly pair of low-end units. The 660 has been designed to be the "weapon of choice" for budget gamers. It'll play most games at reasonably high