I am a student looking to build a better pc but using some of my old parts, i have 8gb of ddr3 ram and a fm2+ motherboard,i currently have a amd a6 6400k and a radeon hd7770 1gb i have looked into getting a lga 1155 cpu but some have said a amd athlon x4 860k is not bad for gaming so i need help building a gaming pc for cheap, i am going to upgrade my gpu later, so cpu help is needed