Yea pretty much don't get the i7 unless you plan on doing video rendering and such, especially when on a budget, the i5 4670k will be just fine. You'll also need a new motherboard for an i5, for that maybe you would want to go to
You must login or register to view this content. choose the CPU and then go to motherboards, it will show only the ones compatible with that CPU. Then you may want to narrow the list down to the ones with the best reviews and research them from there. Although I can tell you that ASUS, MSI, Gigabyte and Asrock are probably the ones worth looking at