First off, are you using one of the latest dev builds?
Secondly, the current best setup would be the i5-4670k (with a motherboard that supports overclocking) with any of the new graphics cards. The latest dev builds put OpenGL as the fastest backend on both Nvidia and AMD cards.
How much are you willing to spend?
Secondly, the current best setup would be the i5-4670k (with a motherboard that supports overclocking) with any of the new graphics cards. The latest dev builds put OpenGL as the fastest backend on both Nvidia and AMD cards.
How much are you willing to spend?

