buying a pre-built pc would cost more and features are a bit less...
CyberpowerPC Intel Core i7-3770K 3.5GHz PC (GAMER AQUA GLC2060) - Online Only -
$1299.99
3rd generation Intel Core i7-3770K Ivy Bridge processor
8GB DDR3 SDRAM and 1TB storage capacity
NVIDIA GeForce GTX560 graphics with 1 GB dedicated video memory
this looks ok... i dont know the brand tho... that will give you all the power you need to do anything from gaming to video editing!!