Looking 2 spend at the most 1000$ on a good pc 2 run at 30-60 FPS on a 51 inch 3D samsung TV was currently looking into a Lenovo k450 with an intel core i5-4430 processor 3GHz, 12GB DDR3-1600 RAM, 1TB 7,200RPM hard drive, NVIDIA GeForce GTX 650, DVD+RW drive, 9-in-1 memory card reader, 10/100/1000 network, 802.11 b/g/n wireless? any upgrade suggestions would be greatly appreciated!