Thank you, that fixed the 
I’m converting the Realistic Rendering scene to VXGI. So far I’m getting 30-35 FPS on Epic mode. I’m a bit surprised. =p
EDIT:
For anyone interested in my specs.
Intel Core i7-4790k
16 GB RAM
Nvidia GeForce GTX 580
SSD - Samsung Evo 840
Windows 7 64 bit
Z97 Motherboard
Using a point light (I thought I read there were issues with them earlier in the thread, but can confirm it works fine)
I did however experience issues with directional lights. Flickering between 2 very different exposures.