i3-2100

I have a GIGABYTE H61M-S2P Rev 2.0 and my current CPU is i3-2100 and it has been amazing thank god. It's been very hard to find a used i7 3770 or a 3570 and thank god i have found a 3570K and non K My question is, they're both of the same price, cheap (about 70$). Which one should I get? Will...

Hello guys, My HD6870 gpu is faulty from a couple of days and now im searching for new gpu to update. Today i bought i5 2500k and replace my i3 2100. My previous pc was i3-2100 + hd6870 + 6gb 1333 + H61 mobo. I doesn't play games anymore, except cs go with medium settings with 144 hz monitor...