Master race

Hello guys, The motherboard I have currently is the MSI 2a9c and at this moment in time I have 4GB DDR3 plugged. I bought the desktop ready made (big mistake I know) roughly 5 years ago. I'm looking to upgrade to 8GB or maybe 16GBs. Along with the RAM upgrade I'm planning to upgrade my CPU to a...

Should I be looking at my how every single core temp is at or how the entire gpu temp is at? I got an Be Quiet Pure Rock cooler, sitting on a box till I get a new case (s340) to start overclocking, tough it doesn't looking very promising looking at how beyond bad the temperatures look on stock...