Nah, you can always upgrade that later... or if you want to save some money now and do it now ( I would buy it now and save cash, but I'm a cheapskate haha)
It saves you the money of buying the Corsair 550vx and another PSU later on
Idk why anybody needs instructions with a CPU... its really not hard, look for the corner on the CPU and match it with the one on the board, and put in the same direction