Considering an upgrade to my phenom ii 955. I mostly use the computer for gaming, but with dx12 showing more cores getting used I want to do a 6 core setup. Sandy bridge xeon and Ryzen seem good but both will cost around the same for a motherboard/CPU combo at about $370. The Westmere 6 cores like the Xeon x5670 are only $50 and the motherboards are only around $50 too. Realistically, I could get a dual CPU setup using the Westmere CPUs for 12 cores for only around $175 if i wanted. What's the best option?