Hello, i want to upgrade my pc but i have to choose between these options : i get a new cpu i5 6600k + ddr4 8gb ram + asus mb h170 + new case + aftermarket cpu cooler or i buy gtx 970 from msi, new psu and ddr3 8gb ram. Currently i have gtx 550 ti oc, 4gb ram and amd kaveri 7700k