What type of a PC do you have now?
Interested in trimming your budget?
Did you know that a Skylake i3 6100 actually beats out a Sandy Bridge Core i5 2500k in games?
Check it out.
https://www.youtube.com/watch?v=YwB1KRMpFdw
Get one for $124 and pair it with a Z170 MSI Mortar MOBO for $119 and DDR 2666Mhz ram for $60 and you are good to go.
I am have been very impressed with mine. Much more responsive than I imagined.