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#11
Just to add that seeing any benefit from a cpu upgrade is highly dependent on the applications you are running. If you are running the same garden variety programs that you used to run (web browser, MS Office, Adobe Suite etc) you will get a lot more from adding RAM and an SSD than you will a new mobo and cpu.
If you are overclocking or say, video-editing, you may benefit. But typical business applications will idle the extra 6 cores you just bought.
Yes, cool and quiet is good. I installed that cooler recently and it is both effective and quiet.Nothing wrong with that CPU, but if you have a few dollars to spare, the FX-8350 is a better CPU. It's faster, though it does run hot. You may want an aftermarket cooler like the Hyper 212 EVO for it.